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Engineered Wood Construction Guide: Floor Construction Excerpt - E30X-FC This publication is an excerpt from the APA Engineered Wood Construction Guide, providing information about floor framing and wood structural panel products APA Case Study: Raising Up Raised Wood Floors - Murray House in St. Augustine, Florida Builder Tips: Construct a Solid, Squeak-Free Floor System Builder Tip - Q300 This publication describes how to prevent floor complaints and callbacks with proper floor sheathing installation House-Construction-Washington-Illinois Engineered Wood Construction Guide: Roof Construction Excerpt - E30X-RC This publication is an excerpt from the APA Engineered Wood Construction Guide, providing a description and application recommendations for engineered wood roof materials Engineered Wood Construction Guide: Wall Construction Excerpt - E30X-WC This publication is an excerpt from the APA Engineered Wood Construction Guide, providing application recommendations for APA wood structural panel wall sheathing. Build a Better Home: Moisture-Resistant Wall Construction Technical Guides - A530 This publication describes the primary sources of moisture intrusion in wood wall construction and recommends methods to prevent moisture penetration. SONY DSC Build A Better Home: Moisture-Resistant Foundation Construction Technical Guides - A520 This publication details common sources of moisture, preventive measures and design details for multiple foundation types, including slab-on-grade, crawl space and full basement. Build a Better Home: Moisture-Resistant Roof Construction Technical Guides - A535 This publication describes several roof design and weatherproofing methods used to keep water out of a home’s interior. **Please note this image may have been edited or manipulated to enhance visually** Fire Protective Options for I-Joist Floor Systems Construction Guide - R425 Describes several options that satisfy fire-protection provisions of the 2012, 2015 and 2018 IRC related to I-joist floor systems, including construction details Roof Construction (Canada) Construction Guide - R305 This publication provides specification recommendations for plywood and OSB roof systems and installation recommendations for panel roofs 2024 Multi Product shots Engineered Wood Construction Guide Technical Guides - E30 This publication provides a comprehensive overview of engineered wood construction systems for residential, commercial and industrial buildings The Village Senior Living Building at Germantown in Germantown, Tennessee Engineered Wood Floor Systems (Canada) Construction Guide - R300 Provides specification recommendations for plywood and OSB floor systems, the APA Glued Floor System and installation recommendations for panel subflooring and underlayment Performance Rated I-Joists Design and Construction Guide Construction Guide - Z725 This publication discusses span ratings, installation details, cantilever designs, architectural specifications and engineering design properties for APA Performance Rated I-Joists Raising Up Raised Wood Floors - Murray House in St. Augustine, Florida Construction Practices for Wood I-Joist Floor Vibration Retrofit Data File - D720 This publication identifies the causes of and remedies for excessive floor vibration. Engineered Wood Construction Guide: Rim Board Selection and Specification Excerpt - E30X-RB This publication is an excerpt from the APA Engineered Wood Construction Guide, providing guidance on selecting and specifying rim board Engineered Wood Construction Guide: Additional Fire and Building Systems Excerpt - E30X-AFBS Summary of special systems, including fire resistant construction, fire protected assemblies, wind-resistive roofs, energy conservation and panels over metal framing Engineered Wood Construction Guide: I-Joist Selection and Specification Excerpt - E30X-IJ This publication is an excerpt from the APA Engineered Wood Construction Guide, providing a description and specification recommendations for I-joist 2024 Glulam product shot Engineered Wood Construction Guide: Glulam Selection and Specification Excerpt - E30X-GL This publication is an excerpt from the APA Engineered Wood Construction Guide, providing a description and specification recommendations for glued laminated timber (glulam) Engineered Wood Construction Guide: Panel Selection and Specification Excerpt - E30X-PSS This publication is an excerpt from the APA Engineered Wood Construction Guide, providing product descriptions and specification recommendations for wood structural panels Engineered Wood Construction Guide: Structural Composite Lumber (SCL) Selection and Specification Excerpt - E30X-SCL This publication is an excerpt from the APA Engineered Wood Construction Guide, providing descriptions and specification recommendations for structural composite lumber (SCL) Veneered Laminated Timber Engineered Wood Construction Guide: Cross-Laminated Timber (CLT) Selection and Specification Excerpt - E30X-CLT This publication is an excerpt from the APA Engineered Wood Construction Guide, focusing on selecting and specifying cross-laminated timber for various building applications Heavy Timber Construction Typical Details - DT-EWG-21 This detail shows a heavy timber roof construction assembly using APA Rated Sturd-I-Floor T&G panels over structural glulam or solid timber beams with built-up roofing. **Please note this image may have been edited or manipulated to enhance visually** Advanced Framing Construction Guide - M400 This publication explains the components of advanced framing in floor and wall framing, including illustrated construction details Construction on an Apartment using FTAO in Rialto, California Glulam Floor Beams Technical Guides - C415 This publication contains span tables for glulam floor beams in residential construction, tables for substituting glulam for steel beams and design details. APA Glued Floor System Typical Details - DT-EWG-1 This detail shows an APA glued floor system using APA Rated Sturd-I-Floor or sheathing panels. Noise-Resistant Floor Assembly Typical Details - DT-EWG-26 This detail shows noise-resistant floor/ceiling assembly using APA Rated sheathing subfloor, lightweight concrete topping, resilient channels, and gypsum wallboard. Hanging Floor for SIPs Typical Details - DT-SIP-3 This detail shows how to attach a floor system in between the top and bottom of two SIP walls by hanging the joists at the top of a SIP with top mount hangers and a cap plate. ADOBE STANDARD LICENSCING | Standard licenses Most Adobe Stock photos, vectors, and illustrations come with a Standard license. With a Standard license, you may: •     Reproduce up to 500,000 copies of the asset in all media, including product packaging, printed marketing materials, digital documents, or software. •     Include the asset in email marketing, mobile advertising, or a broadcast or digital program if the expected number of viewers is fewer than 500,000. •     Post the asset to a website or social media site with no limitation on views. •     Include the asset in some types of products, such as inside a textbook, as long as the primary value of the product is not the asset itself, and the product is not reproduced more than 500,000 times. •     Share the unmodified asset with your employees and contractors who have contractually agreed to abide by the license terms. •     Transfer the license to your client or employer. (With a Standard license, you may not: •     Distribute the stand-alone file. •     Create merchandise, templates, or other products for resale or distribution where the primary value of the product is associated with the asset itself. For example, you can't use the asset to create a poster, t-shirt, or coffee mug that someone would buy specifically because of the asset printed on it. •     Transfer the license to more than one employer or client, unless separately licensed for each.) Copyright: © Adobe Stock Controlling Decay in Wood Construction Technical Note - R495 This publication discusses decay fungi and how to prevent/minimize degradation of wood through proper design, storage, construction and maintenance Glulam in Residential Building Construction Guide Technical Guides - X450 Describes the selection, specification, design considerations and allowable load tables for APA-trademarked glulam used in residential headers, floor beams and roof beams. Timberlab's Sunnydale Community Center Site Acoustic Performance of All-Wood Floor Systems Technical Note - T230 This publication describes single- and double-layer all-wood floor assemblies for acoustic performance and includes both construction details and acoustic ratings Construction on an Apartment using FTAO in Rialto, California Floor Squeaks: Causes, Solutions and Prevention Technical Note - C468 This publication discusses typical floor squeak causes and provides corrections and preventative measures. I-Joists Bearing on Floor Beam Typical Details - DT-GB-12 This detail shows I-joists bearing on a glulam floor beam with face nail connections and blocking not shown for clarity. Joists Mounted Flush with Floor Beam Typical Details - DT-GB-13 This detail shows two floor joist flush connections options: one face mounted hanger and one top mounted hanger. Lumber Joists Bearing on Floor Beams Typical Details - DT-GB-14 This detail shows a cross-section of sawn lumber floor joists secured by toe nails supported by a glulam beam. Balcony Design for I-Joist Floor with Lumber Cantilever Technical Topic - TT-125 This publication provides guidance on construction of balconies with solid-sawn dimension lumber attached to I-joist floor systems in supplement to Figure 4 of APA form Z725 Temporary Construction Loads Over I-Joist Roofs and Floors Technical Note - J735 Provides recommendations for properly placing heavy loads in a partially completed light-framed structure to prevent damage to the structure and/or injury to the work crew Apartment-Building-Construction Diaphragms and Shear Walls Design and Construction Guide Technical Guides - L350 This publication provides design and construction recommendations for engineered diaphragm systems in floor, shear wall and roof systems Holes in Blocking Used in Engineered Wood Construction Technical Topic - TT-040 This publication discusses the placement of holes in the webs of I-joists or rim board when used as blocking for lateral restraint of floor and roof joists ADOBE STANDARD LICENSCING | Standard licenses Most Adobe Stock photos, vectors, and illustrations come with a Standard license. With a Standard license, you may: • Reproduce up to 500,000 copies of the asset in all media, including product packaging, printed marketing materials, digital documents, or software. • Include the asset in email marketing, mobile advertising, or a broadcast or digital program if the expected number of viewers is fewer than 500,000. • Post the asset to a website or social media site with no limitation on views. • Include the asset in some types of products, such as inside a textbook, as long as the primary value of the product is not the asset itself, and the product is not reproduced more than 500,000 times. • Share the unmodified asset with your employees and contractors who have contractually agreed to abide by the license terms. • Transfer the license to your client or employer. (With a Standard license, you may not: • Distribute the stand-alone file. • Create merchandise, templates, or other products for resale or distribution where the primary value of the product is associated with the asset itself. For example, you can't use the asset to create a poster, t-shirt, or coffee mug that someone would buy specifically because of the asset printed on it. • Transfer the license to more than one employer or client, unless separately licensed for each.) Termite Protection for Wood-Framed Construction Technical Note - K830 This publication discusses the types of termites found in the U.S. and proven construction techniques and treatment methods to protect wood-frames buildings from termite damage. Continuous Floor Beam Over Wood Support Typical Details - DT-GB-11 This detail shows two connection options for a continuous glulam floor beam bearing on a wood support. Engineered Wood Wall Systems (Canada) Construction Guide - R310 This publication provides an overview of commonly used wall systems and explains how wood structural panels can be used to meet fundamental requirements in wall applications Raising Up Raised Wood Floors - Murray House in St. Augustine, Florida Minimizing Floor Vibration by Design and Retrofit Technical Note - E710 This publication covers vibration perception, fundamental natural frequency, criteria for floor vibration control and guidelines to remedy existing floor vibration problems. Ridging in Single Layer Floor Panels Customer Service Tip - W503 This publication discusses the causes, prevention and remedial treatment for floor sheathing ridging. APA Rated Sturd-I-Floor 48 o.c. Typical Details - DT-EWG-10 This detail shows APA Rated Sturd-I-Floor 48 o.c. panels installed over a post-and-beam floor framing system with 4x4 posts, 4x girders, and tongue-and-groove panel edges. Beam at End Wall with Floor Joist Flush with Beam Typical Details - DT-GB-2 This detail shows a glulam beam connection to an end wall with flush floor joists or I-joists connected to the beam. Building for High-Wind Resilience in Light-Frame Wood Construction Technical Guides - M310 This publication illustrates nine construction details that improve wind resilience in residential construction, with real-world examples of each design All-wood Podiums in Mid-Rise Construction at Oceano Luxury Apartment Complex in Woodland Hills, California CREDIT REQUIRED FOR IMAGES: Credit: Photo Courtesy of West Coast Aerial Photography All-Wood Podiums in Mid-Rise Construction Case Studies - N110 This case study discusses how two mid-rise projects used all-wood podiums instead of concrete to cut construction costs, reduce building mass and improve sustainability. Fire-Rated Systems Design and Construction Guide Technical Guides - W305 This publication is a guide to cost-effective fire-rated wood and wood structural panel systems that meet code requirements 2024 OSB Product shots APA Rated Sturd-I-Floor (OSB) Specification Guide - SP-1101 This publication provides an overview of the APA trademark and includes a sample specification for APA Rated Sturd-I-Floor (OSB). 2024 Plywood product shot APA Rated Sturd-I-Floor (Plywood) Specification Guide - SP-1102 This publication provides an overview of the APA trademark and includes a sample specification for APA Rated Sturd-I-Floor (Plywood). APA Rated Sturd-I-Floor 32 and 48 o.c. Typical Details - DT-EWG-9 This detail shows APA Rated Sturd-I-Floor panel installation at 32" or 48" o.c. joist spacing with tongue-and-groove joints over a crawl space floor framing system. One-Hour Combustible Floor-Ceiling And Roof-Ceiling Assemblies - I-Joists Typical Details - DT-EWG-28 This detail shows one-hour fire-resistive floor/ceiling assemblies using wood I-joists with APA Sturd-I-Floor decking and gypsum wallboard ceiling systems with furring channels. fertilizer bins being constructed using Glulam Beams Glulam Appearance Classifications for Construction Applications Technical Note - Y110 This publication clarifies the distinction between appearance considerations and structural properties of glulam timbers and appearance classifications of glulam members. One-Hour Combustible Floor-Ceiling Assemblies - Lumber Joists Typical Details - DT-EWG-29 This detail shows two one-hour fire-rated floor/ceiling assemblies with lumber joists. APA Rated Sturd-I-Floor 16, 20, and 24 o.c. Typical Details - DT-EWG-8 This detail shows APA Rated Sturd-I-Floor panel installation at 16", 20", or 24" o.c. joist spacing with tongue-and-groove edges over a floor framing system. APA-Generic-Content-Card-Technical-Topic I-Joist Floor Details for 2-Inch-Thick Foundation Foam Insulation Technical Topic - TT-129 This publication presents four construction details for incorporating 2-inch-thick foundation foam insulation into residential I-joist floor assemblies. **Please note this image may have been edited or manipulated to enhance visual quality** Glulam Connection Details Construction Guide - T300 This publication shows correct connections and common connection errors involving glued laminated (glulam) timbers Beam at End Wall with Floor Joist Over Beam Typical Details - DT-GB-3 This detail shows a glulam beam connection to an end wall with I-joists bearing on the beam. Single-Layer Floor Systems with I-Joists or Trusses: Minimum 23/32" Tongue & Groove APA Sturd-I-Floor, Two Layers 1/2" Type X Gypsum Wallboard Taped, 3-Dimensional Detail Typical Details - DT-FR-21 This detail shows single-layer wood I-joist floor system with 23/32" T&G APA rated sheathing and two layers of 1/2" gypsum wallboard ceiling providing a fire-rated assembly. Concrete Forming Design/Construction Guide Technical Guides - V345 This publication contains grade information, form maintenance recommendations, design information and case studies related to plywood concrete forming APA-Generic-Content-Card-Technical-Topic Holes in Structural Glued Laminated Timber (Glulam) Rim Board in Light-Frame Wood Construction Technical Topic - TT-135 Provides recommendations for hole size and segment length for glulam rim board for situations where holes are not specified in the construction documents or shop drawings. **Please note this image may have been edited or manipulated to enhance visual quality** Nail-Base Sheathing for Siding and Trim Attachment Construction Guide Technical Guides - Q250 Determine the type and spacing of siding fasteners to meet building code requirements when using wood structural panel sheathing as a nail base (also called nailable sheathing) Method CS-PF - Continuously Sheathed Portal Frame Panel Construction Typical Details - DT-WB-4 This detail shows the wall bracing method continuously sheathed portal frame and its requirements including anchorage, minimum member sizes, and sheathing attachment. Wood Structural Panel Heavy Timber Roof Construction, 2-Dimensional Detail Typical Details - DT-FR-24 This detail shows a heavy timber roof assembly with wood structural panels, featuring heavy timber or glulam beams supporting tongue-and-groove wood decking with built-up roofing. Inside I-Joist Floors: Improve Performance with Thicker Sheathing and Deeper I-Joists - Premium-performance floor uses fewer components for faster construction. APA System Report 405: Fire Protection of Floors Constructed with Prefabricated Wood I-Joists for Compliance with the International Residential Code System Report - SR-405 This system report provides guidance on fire protection of floors constructed with prefabricated wood I-joist assemblies that comply with 2015, 2018, 2021 and 2024 IRC updates Single-Layer Floor Systems with I-Joists or Trusses: Minimum 23/32" Tongue & Groove APA Sturd-I-Floor, 0.019" Galvanized Steel Resilient Channels Maximum 16" o.c., 1x4 Wood Setting Strips, 3-Dimensional Detail Typical Details - DT-FR-19 This detail shows a single-layer floor assembly using 23/32 T&G APA Sturd-I-floor over wood I-joists with resilient channels, insulation, and gypsum wallboard ceiling finish. Non-Load-Bearing Partitions on APA Structural Panels and Floor Joists Technical Note - B429 This publication explains how to determine partition load, including situations where additional joists are required to account for the weight of partition walls. Single-Layer Floor Systems with I-Joists or Trusses: Minimum 23/32" Tongue & Groove APA Sturd-I-Floor, 0.019" Galvanized Steel Hat-Shaped Furring Channels Maximum 24" o.c., 3-Dimensional Detail Typical Details - DT-FR-18 Single-layer tongue and groove APA-rated sheathing floor system with wood I-joists, hat-shaped furring channels, gypsum wallboard ceiling, and mineral fiber insulation. Single-Layer Floor Systems with I-Joists or Trusses: Minimum 23/32" T&G APA Sturd-I-Floor Glued and Nailed to I-Joist, 0.026" Galvanized Steel Hat-shaped Furring Channels, Maximum 16" o.c., 3-Dimensional Detail Typical Details - DT-FR-16 This detail shows a single-layer 23/32" T&G APA Sturd-I-Floor assembly over wood I-joists with hat-shaped furring channels, mineral fiber batts, and Type C gypsum wallboard ceiling ADOBE STANDARD LICENSCING | Standard licenses Most Adobe Stock photos, vectors, and illustrations come with a Standard license. With a Standard license, you may: •     Reproduce up to 500,000 copies of the asset in all media, including product packaging, printed marketing materials, digital documents, or software. •     Include the asset in email marketing, mobile advertising, or a broadcast or digital program if the expected number of viewers is fewer than 500,000. •     Post the asset to a website or social media site with no limitation on views. •     Include the asset in some types of products, such as inside a textbook, as long as the primary value of the product is not the asset itself, and the product is not reproduced more than 500,000 times. •     Share the unmodified asset with your employees and contractors who have contractually agreed to abide by the license terms. •     Transfer the license to your client or employer. (With a Standard license, you may not: •     Distribute the stand-alone file. •     Create merchandise, templates, or other products for resale or distribution where the primary value of the product is associated with the asset itself. For example, you can't use the asset to create a poster, t-shirt, or coffee mug that someone would buy specifically because of the asset printed on it. •     Transfer the license to more than one employer or client, unless separately licensed for each.) Copyright: © Adobe Stock Water Vapor Permeance of Wood Structural Panels and Wood Wall Construction Technical Note - J450 This publication addresses the water vapor permeance of wood structural panels and vapor retarders and their role in wall-system design Single-Layer Floor Systems with I-Joists or Trusses: Minimum 23/32" T&G APA Sturd-I-Floor, 0.019" Galvanized Steel Resilient Channels Maximum 16" o.c., Two Layers 1/2" Type X Gypsum Wallboard Taped, 3-Dimensional Detail Typical Details - DT-FR-20 Single-layer tongue and groove APA-rated sheathing over wood I-joists with resilient channels and two layers of gypsum wallboard ceiling assembly for residential construction. Single-Layer Floor Systems with I-Joists or Trusses: Minimum 23/32" Tongue & Groove APA Sturd-I-Floor Glued and Nailed to I-Joist, 0.019" Galvanized Steel Resilient Channels Maximum 16" o.c., 3-Dimensional Detail Typical Details - DT-FR-15 Single-layer tongue and groove APA-rated sheathing over wood I-joists with resilient channels and two layers of gypsum wallboard ceiling assembly for residential construction. Residential Home in Olympia Washington Shear Transfer at Engineered Wood Floors Data File - Y250 This publication discusses diaphragm perimeter nailing and transfer of shear wall forces from the walls above into the foundation/wall framing. Special Consideration for Designing Radiant Heat Systems Over Wood I-Joist Floors Technical Topic - TT-113 This publication addresses how to prevent adverse effects on wood I-joist floor framing from improperly designed, installed or operated underfloor heat systems Ceramic Tile Over Wood Structural Panel Floors Technical Topic - TT-006 This publication describes Tile Council of North America (TCNA) specifications for wood structural panel floor systems under ceramic tile, tested in accordance with ASTM C627 APA-Generic-Content-Card-Technical-Topic Designing Diaphragms Over Existing Board Floors or Roofs Technical Topic - TT-097 This publication explains the design considerations for installing a wood structural panel diaphragm over existing board sheathing (decking) in floors or roofs. I-Joist Cantilever Detail for Balconies Typical Details - DT-IJ-6 This detail outlines proper construction methods for cantilevered I-joist floor extensions, such as balconies. Horizontal Beltline Joints Typical Details - DT-EWG-22 This detail shows three horizontal beltline joint configurations for APA panel siding at floor lines in multistory construction. **Please note this image may have been edited or manipulated to enhance visually** APA PRI-405 Performance Standard for Commercial I-Joists Standards - PRI-405 This standard contains performance criteria, qualification requirements & quality assurance information for APA Performance Rated I-joists in commercial roof/floor construction. **Please note this image may have been edited or manipulated to enhance visually** Noise-Rated Systems Technical Guides - W460 This publication is a guide to noise-rated wood-frame construction systems, including STC and IIC ratings for tested wall and floor assemblies for effective sound control. SIP Foundation Detail C Typical Details - DT-SIP-8 This detail shows a SIP wall assembly being attached to a floor system bearing on a concrete/CMU foundation wall, highlighting proper assembly of wall, floor, and foundation. Glued Laminated Beam Design Tables Technical Guides - S475 This publication provides recommended design load tables for glulam beam roof and floor applications APA Panel Subflooring Typical Details - DT-EWG-4 APA Rated sheathing panels installed as subflooring over 2x joists, I-joists, or floor trusses with tongue-and-groove or blocked edges on a wood-framed floor system. APA-Generic-Content-Card-Technical-Topic APA Wood Structural Panels Over Concrete Slabs Technical Topic - TT-007 This publication recommends three methods for the installation of a wood floor system over a concrete slab: sleepers, rigid foam or direct. I-Joist Fire Assembly with Mineral Wool Typical Details - DT-FPF-7 This detail shows an I-joist floor assembly with mineral wool insulation for fire protection per IRC Section R503. Voluntary Product Standard PS 2-18, Performance Standard for Wood Structural Panels Standards - S350 Performance requirements, adhesive bond performance, panel construction and workmanship, dimensions and tolerances, marking and moisture content of wood structural panels. I-Joist Fire Assembly with 0.5 inch Gypsum Board Above Flange Typical Details - DT-FPF-4 This detail shows an I-joist floor assembly with 1/2" gypsum board placed above the bottom flange for fire protection per IRC Section R503. I-Joist Fire Assembly with 5/8" inch Gypsum Board Above Flange Typical Details - DT-FPF-5 This detail shows an I-joist floor assembly with 5/8" gypsum board placed above the bottom flange for fire protection per IRC Section R503. I-Joist Fire Assembly with Gypsum Board Typical Details - DT-FPF-2 This detail shows 1/2" gypsum board fastened to the bottom flange of an I-joist floor assembly for fire protection per IRC Section R702.3.1. I-Joist Fire Assembly with Rockwool Safe'n'Sound Typical Details - DT-FPF-6 This detail shows an I-joist floor assembly with Rockwool Safe'n'Sound mineral wool insulation for fire protection per IRC Section R503. Continuous Beam Over Intermediate Steel Column Typical Details - DT-GB-10 This detail shows two options for connecting a continuous glulam floor beam to an intermediate steel column using either a steel post cap or steel cap plate. Heavily Loaded Drywall Carts Technical Topic - TT-024 This publication discusses how to avoid floor panel puncture from drywall carts by consulting PS 2 for minimum concentrated static loads and heavy concentrated loads I-Joist Fire Assembly with Gypsum Board at Bottom Flange Typical Details - DT-FPF-1 This detail shows 1/2" gypsum board or 5/8" wood structural panel installed at the bottom flange of an I-joist floor assembly for fire protection per IRC Section R702.3. Case Study: Going for Bold: Window into Affordability - Las Ventanas Multi-Family Development in Long Beach, California (X170) This modern, affordable housing complex in Long Beach, CA, Las Ventanas, was developed in answer to the "Everyone Home Long Beach" initiative encouraging innovative, low-income housing solutions for the community. Issued April 2021. CREDIT REQUIRED FOR IMAGES: Credit: FOR USE OF WHA DESIGN RENDERINGS (See file for further details) Going for Bold: Window Into Affordability Case Studies - X170 This case study discusses how the Las Ventanas affordable housing project used glulam, LVL, OSB and FTAO design principles to cut costs and streamline construction. Exterior Deck Water-Resistive System Typical Details - DT-BB-3 This detail shows exterior deck ledger connection to wood I-joist floor system of water-resistant flashing. Sway Brace Blocking for Seismic Loads Perpendicular to the Joist 1 Typical Details - DT-SPR-16 This detail illustrates a seismic sway brace blocking configuration, showing the installation of perpendicular diagonal bracing for I-joist floor systems. Permitted Framing Alignment Offsets - Single Top Plates Typical Details - DT-AF-11 This detail shows permitted framing alignment for trusses, floor joists, rafters, and ceiling joists above (or below) studs when using a single top plate. 19/32" T&G APA Plywood Underlayment, 15/32" APA Wood Structural Panel Subfloor, 3-Dimensional Detail Typical Details - DT-FR-1 This detail shows floor assembly of APA wood structural panel subfloor over plywood underlayment, building paper, and joists with gypsum wallboard ceiling below. I-Joist Blocking Panel Typical Details - DT-IJ-5 This detail shows the installation of PRI blocking panels between I-joists, attached to top plate with face nails for shear transfer at floor sheathing boundaries. PRI Blocking Typical Details - DT-IJ-8 This detail shows PRI blocking installation. It outlines where blocking is required, how to attach blocking and floor joists to a double top plate, and vertical load capacities. Rim Board Typical Details - DT-IJ-10 This detail shows the installation of APA rim board to floor joists and a double top plate, specifically noting vertical capacity and shear transfer nailing. Subfloor Preparation to Receive Finish Flooring Technical Guides - V440 This publication provides guidelines on installing wood structural panel subfloors for optimal performance of finished floors. Lightweight or Gypsum Concrete Topping, 15/32" APA Wood Structural Panel Subfloor, 3-Dimensional Detail Typical Details - DT-FR-5 This detail shows three-dimensional floor assembly of APA wood structural panel subflooring with gypsum concrete topping over joists and Type X gypsum wallboard ceiling below. PRI Rim Joist Typical Details - DT-IJ-9 This detail outlines the attachment of PRI (Performance Rated I-joist) rim to floor joists and a double top plate. It also includes bearing and vertical load transfer requirements. Rim Board for SIPs Typical Details - DT-SIP-4 This detail shows installation of a floor system between the top and bottom of two SIP walls with the joists directly on top of the SIP with a cap plate and rim board end closure. Floor framing utilizing steel wide flange beam, rim board, engineered wood I-joists and metal hangers. Wood Structural Panels Over Metal Framing Technical Guides - T625 This publication provides design and fastening recommendations for installation of wood structural panels over metal framing in floors, walls and roofs. APA PRI-400 Performance Standard for Residential I-Joists Standards - PRI-400 This standard contains performance criteria, qualification requirements and quality assurance information for APA Performance Rated I-joists used in residential floors. 2024 Multi products OSB and plywood panels FAQs: Questions About Wood Structural Panel Exposure to Excessive Moisture FAQ - X501 This publication provides guidance about the serviceability of wood structural panels (plywood and OSB) after exposure to high levels of moisture. Temporary Expansion Joints for Large Buildings Technical Note - U425 This publication discusses expansion joint details for buildings with dimensions larger than 80 feet Performance-Rated I-Joist Roof Framing Details Technical Guides - D710 This publication includes recommended construction details for I-joists in roof applications. Performance Standards and Qualification Policy for Wood Structural Panels Standards - E445 This publication describes requirements and test methods for APA Performance Rated Panels (APA Rated Sturd-I-Floor®, APA Rated Sheathing and APA Rated Siding). Buckling of Wood-Based Panel Siding Technical Note - F410 This publication describes mechanism and construction features that contribute to siding buckling Voluntary Product Standard PS 1-22, Structural Plywood Standards - L870 This publication is the national standard for performance requirements and marking plywood for construction and industrial uses. APA-Generic-Content-Card-Customer-Service-Tip Unevenness of Edges in Wood Structural Panels and Thin Underlayment Customer Service Tip - C501 This publication discusses the causes of fungal decay in wood structural panels and how proper design, construction and maintenance can prevent fungal decay. APA-Generic-Content-Card-Technical-Topic Frequently Asked Questions About Portal Frames Technical Topic - TT-080 This publication answers FAQs about portal frame construction from the APA 2018 IRC wall bracing webinar series A Portal Frame With Hold Downs for Engineered Applications Technical Topic - TT-100 This publication describes the use of portal-frame design in engineered applications and as bracing in conventional light-frame construction. Engineered Wood Handbook & Grade Glossary Technical Guides - X505 This publication provides a list of engineered wood products and common construction terminology explained in easy-to-understand language. Structural Insulated Panels Product Guide - H650 This publication covers SIP advantages, applications, design and construction considerations, connection details, assembly and related topics. Lumber Cantilever Detail for Balconies Typical Details - DT-IJ-7 This detail outlines a construction method for balconies using cantilevered lumber extensions attached to I-joists at their back span. First United Banks in Texas, Oklahoma *MUST CREDIT* Artist Renderings Courtesy of GENSLER Mass Timber Has Banks Seeing Green Case Studies - V135 This case study discusses how CLT and glulam helped First United Bank achieve construction and energy efficiencies. Mulching Engineered Wood Products: An Alternative to Landfills Technical Topic - TT-098 This publication discusses the benefits of mulching construction-related wood scraps, including glued engineered wood products SIP Eave Detail A Typical Details - DT-SIP-7 This detail outlines the construction of an eave using a SIP, highlighting proper flashing, sealant, and roofing materials. **Please note this image may have been edited or manipulated to enhance visual quality** APA Rated Siding Panels Over Rigid Foam Insulation Sheathing Technical Note - C465 This publication provides installation recommendations and test results for energy-saving APA Sturd-I-Wall construction December 26, 2015, Tornado storm near Dallas, Texas. Texas Tornado Damage Assessment Report Damage Assessment Report - SP-1177 This publication contains damage assessments from the December 2015 tornado storm near Dallas, TX, including wind-resistant construction recommendations Effect of Overdriven Fasteners On Shear Capacity Technical Topic - TT-012 This publication provides suggested guidelines for determining if overdriven fasteners will affect the shear capacity of diaphragm or shear wall construction APA Laboratory Testing Capabilities B707 Technical Guides - B707 Learn the APA research facility capabilities, including assembly-level testing of roof and floor building components and performance evaluation of lateral force resisting systems Data File: APA Rim Board in Fire Rated Assemblies Data File - D350 This publication provides recommendations for the use of APA rim board in conjunction with fire-rated wall/floor assemblies, based on the US Forest Product Laboratory testing Fire-Retardant-Treated (FRT) Plywood Technical Note - K320 Discusses fire-retardant-treated plywood specifications, code-compliant applications, testing standards and structural requirements for commercial and residential construction. Canterwood; Gig Harbor, Washington; Rush Construction Co. 2x6 framing with OSB wall sheathing Simple Air Sealing with OSB and Plywood Sheathing Technical Guides - T210 This publication details 10 common sources of air infiltration that should be checked and sealed during construction ADOBE STANDARD LICENSCING | Standard licenses Most Adobe Stock photos, vectors, and illustrations come with a Standard license. With a Standard license, you may: •     Reproduce up to 500,000 copies of the asset in all media, including product packaging, printed marketing materials, digital documents, or software. •     Include the asset in email marketing, mobile advertising, or a broadcast or digital program if the expected number of viewers is fewer than 500,000. •     Post the asset to a website or social media site with no limitation on views. •     Include the asset in some types of products, such as inside a textbook, as long as the primary value of the product is not the asset itself, and the product is not reproduced more than 500,000 times. •     Share the unmodified asset with your employees and contractors who have contractually agreed to abide by the license terms. •     Transfer the license to your client or employer. (With a Standard license, you may not: •     Distribute the stand-alone file. •     Create merchandise, templates, or other products for resale or distribution where the primary value of the product is associated with the asset itself. For example, you can't use the asset to create a poster, t-shirt, or coffee mug that someone would buy specifically because of the asset printed on it. •     Transfer the license to more than one employer or client, unless separately licensed for each.) Copyright: © Adobe Stock Installation of Stucco Exterior Finish Over Wood Structural Panel Wall Sheathing Data File - Q370 This publication describes recommended wall construction methods for the installation of stucco exterior finish over structural wood panel wall sheathing Main and Side Members Typical Details - DT-SPR-12 This detail shows fastener connection between main member (last member penetrated) and side member (first member penetrated) in wood construction. Minimizing Buckling of Wood Structural Panels Technical Note - D481 Provides design and construction practices that reduce the potential for buckling of wood structural panel sheathing caused by wood expansion due to increased moisture conditions. APA PRI-400 Performance Standard for Residential I-Joists, Limit States Design for Canada Standards - PRI-400 CA This standard details performance criteria, qualification requirements and quality assurance for APA Performance Rated residential I-joists, limit states design, for use in Canada Solid Block Typical Details - DT-IJ-14 This detail shows solid vertical blocking in a floor cavity, next to an I-joist, to properly transfer load from above to bearing below. single Photo Engineered Wood Products Help Navigate Design Challenges and Tariffs for North Carolina Senior Living Project Case Studies - C440 This case study discusses how engineered wood products helped overcome structural, acoustic and cost challenges at a North Carolina senior living expansion project. APA Performance-Rated Rim Boards Technical Guides - W345 This publication details connection requirements and application notes for APA Performance Rated Rim Board California Wildland Urban Interface Approvals for APA Siding Technical Topic - TT-091 Details the layups for APA 303 grooved plywood sidings (T1-11 and reverse board & batten), representing minimal plywood siding constructions as typically found in the marketplace. Beam at End Wall Bearing, Nailed Typical Details - DT-GB-1 This detail shows glulam beam bearing at an end wall. The beam is supported by trimmer studs and secured to the king stud with 16d nails. Bearing at End Wall, Steel Tie Plate Typical Details - DT-GB-9 This detail shows a steel tie plate connection for a glulam beam bearing on a wood support at an end condition. Appleton Mills Building in Lowell, Massachusetts Appleton Mills Case Studies - R145 This case study discusses how glulam beams, planks, girders and columns were used to structurally and aesthetically restore the historic Appleton Mills complex in Lowell, MA. Audrain Museum Building in Newport, Rhode Island *MUST CREDIT* Photo Courtesy of Ben Jacobson Audrain Museum Case Studies - Q125 This case study explains how glulam beams were used to replace the flooring system of the historic Audrian Building, enabling the building to support multi-ton vintage automobiles. Beams Butting Over Wood Support Typical Details - DT-GB-6 This detail shows two glulam beams butting over a wood support, with the beams connected to the support using a steel post cap and through-bolts. Bearing at End Wall, Steel Post Cap Typical Details - DT-GB-8 This detail shows connection of glulam beam bearing on solid-sawn post or glulam column using steel post cap at end wall condition. First Tech Federal Credit Union in Hillsboro, Oregon CREDIT REQUIRED FOR IMAGES: Credit: Photos Courtesy of Mike Brewington for Swinerton Builders First Tech Federal Credit Union Case Studies - U115 This case study discusses how CLT panels and glulam framing delivered cost savings, a faster schedule and sustainability benefits for First Tech Federal Credit Union. Recommendations for Snow and Ice on Wood Structural Panels Technical Topic - TT-119 This publication describes APA recommended guidelines for snow and ice accumulation on wood structural panels APA Performance-Rated Rim Board - Canadian Limit States Design Technical Guides - W345 CA This publication describes connection requirements and application notes for APA Performance Rated Rim Board for Canadian Limit States Design Research Report 154: Wood Structural Panel Shear Walls Research Report - Q260 This report includes test results of unblocked, stapled and metal-framed shear walls, and a summary of previous shear wall tests. Data File: Selection, Installation and Preparation of Plywood Underlayment Data File - L335 This publication provides recommendations for the installation and preparation of underlayment under finish flooring in residential and light commercial applications Load-Span Tables for APA Wood Structural Panels Technical Note - Q225 This publication contains uniform load tables for APA trademarked wood structural panels that are manufactured and qualified in accordance with PS 1, PS 2 and APA PRP-108 Installation of APA Plywood Underlayment Typical Details - DT-EWG-24 This detail shows APA plywood underlayment installation over APA Rated sheathing subfloor. Builder Tips: Proper Selection and Installation of APA Plywood Underlayment Builder Tip - R340 This publication provides an overview of selection, handling, installation and fastening of APA plywood underlayment. **Please note this image contains an errors or issue with the construction of the building or item. This image should only be used for Educational purposes.** Builder Tips: Prevent Buckling with Proper Spacing Builder Tip - M300 This publication contains spacing recommendations for APA Rated Sheathing, APA Rated Sturd-I-Floor® and APA Rated Siding. House-Construction-Energy-Heel-Truss APA System Report 103: Use of Wood Structural Panels for Energy-Heel Trusses System Report - SR-103 This publication outlines a construction solution to meet the IRC’s lateral and wind uplift load requirements using wood structural panels with raised-heel, or energy-heel, trusses ADOBE STANDARD LICENSCING | Standard licenses Most Adobe Stock photos, vectors, and illustrations come with a Standard license. With a Standard license, you may: • Reproduce up to 500,000 copies of the asset in all media, including product packaging, printed marketing materials, digital documents, or software. • Include the asset in email marketing, mobile advertising, or a broadcast or digital program if the expected number of viewers is fewer than 500,000. • Post the asset to a website or social media site with no limitation on views. • Include the asset in some types of products, such as inside a textbook, as long as the primary value of the product is not the asset itself, and the product is not reproduced more than 500,000 times. • Share the unmodified asset with your employees and contractors who have contractually agreed to abide by the license terms. • Transfer the license to your client or employer. (With a Standard license, you may not: • Distribute the stand-alone file. • Create merchandise, templates, or other products for resale or distribution where the primary value of the product is associated with the asset itself. For example, you can't use the asset to create a poster, t-shirt, or coffee mug that someone would buy specifically because of the asset printed on it. • Transfer the license to more than one employer or client, unless separately licensed for each.) Decay of Engineered Wood Products Customer Service Tip - W505 This publication discusses the causes of fungal decay in wood structural panels and how proper design, construction and maintenance can prevent fungal decay. Materials Handling Technical Guides - M200 This publication discusses the use of APA-trademarked wood structural panels in materials handling applications including pallets, crates, bins, shelving and mezzanine floors. Performance Rated Panels Product Guide - F405 This product guide describes performance standards, applications, trademark and performance category information for APA Performance Rated Panels 2024 Plywood product shot Caster Loadings on Plywood Technical Note - X227 This publication discusses recommended maximum caster loadings for various wheel types and sizes on bare plywood, Plyron and overlaid plywood surfaces. I-Joist Fire Assembly with Gypsum Board at Web Holes Typical Details - DT-FPF-3 This detail shows 1/2" gypsum board installed at I-joist web holes for fire protection, shown in two configurations per IRC Section R702.3.1. Colorado Custom Residence in Boulder, Colorado Luxury Boulder Residence Case Studies - R135 This case study discusses how glulam beams reduced costs and streamlined installation on a 5,200 square foot custom Colorado home. FAQs: Questions About Structural Plywood and OSB Performance FAQ - F505 This publication answers questions about structural plywood and OSB panel performance, grade, growth and natural characteristics. **Please note this image contains an errors or issue with the construction of the building or item. This image should only be used for Educational purposes.** Consejos Para Los Constructores: Evite el Pandeo con un Espaciado Adecuado Builder Tip - M300 LA Recomendaciones de espacio entre paneles de clasificación “APA Rated Sheathing,” los pisos de clase Sturd-I-Floor® de APA y los paneles de clasificación “APA Rated Siding." Builder Tips: 4 Ways to Minimize Nail Pops Builder Tip - S300 This publication describes how to reduce nail pops through recommended fastener selection and installation Sized for Spacing Technical Topic - TT-055 This publication discusses the SIZED FOR SPACING notation in the APA trademark stamp and the option of trimming panels slightly to encourage proper panel spacing APA Product Reports - PR-V180 Warmboard, Inc. Plywood:
Warmboard-S® Radiant Floor Heating Panels APA-Generic-Content-Card-Technical-Topic Residential Garage Door Installation Details with Prefabricated Wood I-Joists Technical Topic - TT-130 This publication provides a method for garage door installation with back-hangs that are attached to the bottom flange of residential I-joists with lag screws. Research Report 138: Plywood Diaphragms Research Report - E315 This publication describes tests of high-load diaphragms with multiple rows of fasteners, glued diaphragms, and diaphragms with openings APA System Report 102: APA Simplified Wall Bracing Method System Report - SR-102 This report provides an approach to meet the requirements of the 2024, 2021, 2018, 2015 and 2012 IRC simplified wall bracing (Section R602.12). APA Product Reports - PR-N217 Plywood, OSB:
Performance Standards and Qualification Policy for Wood Structural Panels and Performance Standard for 303 Siding APA-Generic-Content-Card-Technical-Topic Fire Resistance of Structural Composite Lumber Technical Topic - TT-118 This publication provides a summary of structural composite lumber (SCL) fire performance based on model building codes and research literature. 2125 Franklin Building in Eugene, Oregon 2125 Franklin Student Housing Case Studies - S115 This case study explains how glulam beams and engineered wood products shaped 2125 Franklin, a 735-bedroom mixed-use student housing building near the University of Oregon. Glulam Product Guide Product Guide - X440 This product guide provides an overview of APA trademarked glulam and discusses design considerations, applications and specification One North Office Building Development in Portland, Oregon One North Office Buildings Case Studies - S120 This publication discusses how glulam framing and engineered wood helped Portland’s One North development achieve energy efficiency and sustainability. Open Soffit Typical Details - DT-EWG-31 This detail shows APA Rated sheathing panels installed as an open soffit on exposed roof rafters with weather-protected edges. Preframed Roof Panel 8' x 8' Perpendicular to Supports Typical Details - DT-EWG-32 This detail shows a prefabricated APA wood structural panel roof assembly with purlins installed perpendicular to the supports. Shear Wall Hold-Down Anchor Typical Details - DT-EWG-33 This detail shows a hold down anchor assembly connecting a shear wall to a concrete foundation to resist overturning forces. Two-Stud Inside Corner for Wall Panelization Typical Details - DT-AF-16 This detail shows a two-stud inside corner framing assembly with a panelized/prefabricated wall system. 303 Siding Manufacturing Specifications Data File - B840 This publication provides minimum requirements that plywood panels must meet to qualify for classification as APA 303 Series specialty siding. Alternate Insulated Three-Stud Corner (with Drywall Clips) Typical Details - DT-AF-1 This detail shows an alternative insulated 3-stud corner framing assembly with drywall clips to support the gypsum from one stud. APA Panel Roof Sheathing Typical Details - DT-EWG-2 This detail shows APA Rated sheathing panels installed as roof decking over rafters or trusses with panel clips, asphalt or wood shingles, and proper edge and joint spacing. APA Panel Stair Treads and Risers Typical Details - DT-EWG-3 This detail shows APA panel stair treads and risers installed on stringers in two configurations, using plywood, OSB, or composite panels with 8d common nail fastening. APA Panel Wall Sheathing Typical Details - DT-EWG-5 This detail shows APA Rated wall sheathing applied in two orientations- strength axis across or parallel to studs- with weather-resistive barrier and siding on a wood-framed wall. APA Rated Lap Siding Over Wood Structural Panel Sheathing Typical Details - DT-EWG-6 This detail shows APA Rated lap siding installed over wood structural panel sheathing with a weather-resistive barrier on a wood-framed exterior wall assembly. APA Rated Panel Siding Over Wood Structural Panel Sheathing Typical Details - DT-EWG-7 This detail shows APA Rated siding panels applied over wood structural panel sheathing with a weather-resistive barrier on a wood-framed wall assembly. APA Sturd-I-Wall (Horizontal Panel Siding Installation) Typical Details - DT-EWG-12 This detail shows APA Rated horizontal panel siding applied directly to wall framing in an APA Sturd-I-Wall system. APA Sturd-I-Wall (Vertical Panel Installation) Typical Details - DT-EWG-13 This detail shows APA Rated vertical panel siding applied directly to wall framing in an APA Sturd-I-Wall system with weather-resistive barrier. Brick Veneer Over APA Panel Sheathing Typical Details - DT-EWG-14 This detail shows brick veneer or masonry cladding installed over APA Rated wood structural panel sheathing. Closed Soffit Typical Details - DT-EWG-15 This detail shows a closed soffit assembly using APA rated roof sheathing and exterior panels for the closed soffit with continuous screened or louvered venting. Effect of Green Lumber Framing on Wood Structural Panel Shear Wall Performance Technical Topic - TT-075 This publication discusses a test program conducted by APA to investigate the effect of constructing shear walls with green framing lumber Energy-Conserving Wall Assemblies Typical Details - DT-EWG-16 This detail shows two energy-conserving exterior wall assemblies. Luna Vista Community Multi-Family Building in Mountain View, California Engineering Solutions for a More Inclusive Community Case Studies - X175 This publication discusses how a California nonprofit incorporated engineered wood into an affordable housing complex to keep costs low and create an inclusive community FM Class 1-105 Typical Details - DT-EWG-17 This detail shows an FM Class 1-105 rated flat roof assembly using wood structural panels over open-web trusses. FM Class 1-120 Typical Details - DT-EWG-18 This detail shows an FM Class 1-120 rated flat roof assembly using wood structural panels over steel joists. FM Class 1-135 Typical Details - DT-EWG-19 This detail shows an FM Class 1-135 rated flat roof assembly using wood structural panels. FM Class 1-90 Typical Details - DT-EWG-20 This detail shows an FM Class 1-90 rated flat roof assembly using wood structural panels with foam insulation, fiberboard cover board, and built-up or modified bitumen roofing. Horizontal Wall Joints Typical Details - DT-EWG-23 This detail shows three horizontal joint configurations for APA panel siding — butt and flash, lap, and shiplap — each with blocking flatwise or edgewise at the joint location. Insulated Three-Stud Corner (California Corner) Typical Details - DT-AF-2 This detail shows an insulated three-stud outside corner (California corner) framing assembly. Insulated Three-Stud Corner (Inside Corner) Typical Details - DT-AF-3 This detail shows an insulated three-stud inside corner framing assembly. Intersecting Wall Connection Typical Details - DT-AF-4 This detail shows connections of intersecting single 2x top plates with steel plates and alternate lumber splice connections. Ladder Junction Typical Details - DT-AF-5 This detail shows an advanced framed wall junction with single top plates and 2x ladder blocking spaced vertically at 24” O.C. for an interior wall to exterior wall connection. Large Opening Single Headers Typical Details - DT-AF-6 This detail shows the use of a single header with a width less than the wall to create more space for insulation. Longitudinal Top Plate Splice Typical Details - DT-AF-7 ADOBE STANDARD LICENSCING | Standard licenses Most Adobe Stock photos, vectors, and illustrations come with a Standard license. With a Standard license, you may: •     Reproduce up to 500,000 copies of the asset in all media, including product packaging, printed marketing materials, digital documents, or software. •     Include the asset in email marketing, mobile advertising, or a broadcast or digital program if the expected number of viewers is fewer than 500,000. •     Post the asset to a website or social media site with no limitation on views. •     Include the asset in some types of products, such as inside a textbook, as long as the primary value of the product is not the asset itself, and the product is not reproduced more than 500,000 times. •     Share the unmodified asset with your employees and contractors who have contractually agreed to abide by the license terms. •     Transfer the license to your client or employer. (With a Standard license, you may not: •     Distribute the stand-alone file. •     Create merchandise, templates, or other products for resale or distribution where the primary value of the product is associated with the asset itself. For example, you can't use the asset to create a poster, t-shirt, or coffee mug that someone would buy specifically because of the asset printed on it. •     Transfer the license to more than one employer or client, unless separately licensed for each.) Copyright: © Adobe Stock Moisture Control in Low Slope Roofs Technical Note - R525 This publication provides recommendations for minimizing moisture accumulation in panelized low-slope roof systems in commercial and industrial applications Noise-Resistant Party Wall Typical Details - DT-EWG-27 This detail shows a noise-resistant wall assembly in plan view using staggered 2x4 studs on 2x6 plates with APA Rated sheathing and gypsum wallboard to reduce sound transmission. One-Hour Fire-Rated Exterior Load-Bearing Wall Assembly Typical Details - DT-EWG-30 One-hour fire-rated exterior wall assembly using APA Rated siding, gypsum sheathing, weather-resistive barrier, and Type X gypsum wallboard over 2x4 wood stud framing. One-Sided Wood Structural Panel Box Header Typical Details - DT-AF-8 This detail shows a one-sided box header built using wood structural panels on the exterior face of the wall to eliminate conventional headers and increase cavity insulation space. Opening in Non-Load-Bearing Walls Typical Details - DT-AF-10 This detail shows framing for an opening in a non-load-bearing wall using a single opening top plate, cripple studs, and jack studs without conventional headers. Atlantic Station Multi-Family Building in Atlanta, Georgia (J130) Panel Design Specification Technical Guides - D510 This publication describes recommended design capacities (ASD) and design methods for wood structural panels manufactured under PS 1 and PS 2 and APA Performance Standard PRP-108. Plywood or OSB? Used as Intended, the Two Products are Interchangable Technical Topic - TT-047 This publication discusses the standards under which plywood and oriented strand board (OSB) are qualified and the interchangeability of the two products, depending on the end use Preservative Treatment of Glued Laminated Timber Technical Note - S580 This publication provides a summary of preservatives, treatment recommendations, use, handling and finishing tips for preservative-treated glulam beams Single-Ply Header Typical Details - DT-AF-12 This detail shows an isometric view of a single-ply load-bearing header assembly at a wall opening with cavity insulation space and code-compliant king and jack stud configuration. Stucco Over APA Panel Sheathing Typical Details - DT-EWG-34 Stucco cladding assembly applied over APA Rated wood structural panel sheathing with two layers of weather-resistive barrier, self-furring metal lath, and metal bead. Two-Sided Wood Structural Panel Box Header Typical Details - DT-AF-9 This detail shows a two-sided box header built using wood structural panels on both sides of the wall in lieu of conventional headers to increase cavity insulation space. Two-Stud Corner - Ladder Blocking Typical Details - DT-AF-13 This detail shows an isometric view of a two-stud corner framing assembly with 2x ladder blocking spaced vertically at 24 inches on center to provide interior drywall backing. Two-Stud Corner – Outside Corner View Typical Details - DT-AF-14 This detail shows a plan view of a two-stud corner framing assembly with 2x ladder blocking spaced vertically at 24 inches on center to provide interior drywall backing. Two-Stud Corner with Drywall Clips Typical Details - DT-AF-15 This detail shows a two-stud outside corner framing assembly using drywall clips to secure interior drywall without requiring a third corner stud. Typical Connections to Engineered Flat Roof Members Typical Details - DT-EWG-35 This detail shows four connection methods for flat roof systems: to wood I-joists, open-web parallel-chord wood trusses, steel bar joists with wood nailer and glulam beams. Typical Panel-To-Metal Framing Systems Typical Details - DT-EWG-36 This detail shows 4 methods for attaching APA panel deck to metal framing systems including nailable steel joists, nailer-anchored, and direct-to-formed steel joist configurations. Vertical Inside and Outside Corner Joints Typical Details - DT-EWG-37 This detail shows vertical corner joint configurations for APA panel and lap siding — butt and caulk, corner board lap joints, and lap siding corners — in horizontal section view. Vertical Wall Joints Typical Details - DT-EWG-38 This detail shows four vertical joint configurations for APA panel siding butt, shiplap, reverse board and batten, T1-11 and channel groove, and vertical batten. Wall Penetration with Flashing Typical Details - DT-BB-8 This detail shows two-piece flashing installation at wall penetration. Wall to Foundation Flashing at Brick Ledge Typical Details - DT-BB-9 This detail shows wall-to-foundation connection at brick veneer of base flashing. Wood Structural Panel Box Header Nail Pattern Typical Details - DT-AF-17 This detail shows the nail pattern for a wood structural panel box header at wall openings with continuous top and bottom plates. Wood Structural Panel Overlap Typical Details - DT-AF-18 This detail shows proper wood structural panel sheathing overlap connections for two raised-heel truss configurations. APA Performance Rated I-Joists Storage, Handling & Safety Recommendations Builder Tip - Z735 This publication includes important tips for storage, handling and jobsite use of APA Performance Rated I-Joists. APA-Generic-Content-Card-Technical-Topic Nail Spacing Recommendations for APA EWS Rim Boards and I-joists Technical Topic - TT-094 This publication provides tables of the minimum recommended nail spacing for APA EWS Rim Boards and I-joists. Water Reservoir in Santa Maria, California Santa Maria Water Reservoir Cover Case Studies - C115 This case study discusses how a glulam roof structure provided decay resistance, seismic performance and cost savings for a municipal water reservoir in California. Birney Elementary School in Tacoma, Washington *MUST CREDIT* Photo Courtesy of Tacoma Public Schools Engineered Wood Gets an Easy A Case Studies - W170 This case study discusses two Washington school districts that creatively leveraged the benefits of exposed wood products in newly constructed schools. IECC Compliance Options for Wood-Frame Wall Assemblies Technical Guides - P320 Joint ICC and APA publication describes how energy performance is measured in exterior wall assemblies and how to improve wall thermal performance to meet energy code requirements Moisture-Related Dimensional Stability Technical Topic - TT-028 This publication discusses linear expansion and thickness swell in wood structural panels due to moisture Windstorm damages sustained by residences as a result of the high winds in Rockwell, Texas in March 29, 2017. Texas Straight-Line Wind Damage Assessment Report Damage Assessment Report - SP-1182 This report summarizes the findings of a team of engineers who visited the site of a 2017 Texas windstorm to assess the damages sustained by residences APA Panel-Deck Block Pallet Design and Specifications Technical Guides - V691 Discusses specifications and design details for the APA panel-deck block pallet, including load capacity, nailing schedules and materials handling system compatibility. APA Performance-Rated Wood Structural Panels as Thermal Barriers for Foam Plastics Technical Topic - TT-060 Provides a recommendation for foam plastic roof insulation over minimum Performance Category 15/32 engineered wood panels that meet the 15-minute thermal barrier requirement Backer Block Typical Details - DT-IJ-1 This detail outlines backer block installation for single and double I-joist headers. **Please note this image contains an errors or issue with the construction of the building or item. This image should only be used for Educational purposes.** Builder Tips: How to Minimize Buckling of Asphalt Shingles Builder Tip - K310 Describes installation techniques for plywood and OSB roof sheathing and roof ventilation techniques that will help minimize the potential for buckling of asphalt shingles Canadian Plywood Grading Guide Technical Guides - Q701 This publication is designed for use by mills as an aid in manufacturing and grading Canadian Standards Association (CSA) plywood panels. Force Transfer Around Openings Shear Walls Typical Details - DT-FTO-1 This detail shows the layout of a force transfer around opening shear wall. ADOBE STANDARD LICENSCING | Standard licenses Most Adobe Stock photos, vectors, and illustrations come with a Standard license. With a Standard license, you may: • Reproduce up to 500,000 copies of the asset in all media, including product packaging, printed marketing materials, digital documents, or software. • Include the asset in email marketing, mobile advertising, or a broadcast or digital program if the expected number of viewers is fewer than 500,000. • Post the asset to a website or social media site with no limitation on views. • Include the asset in some types of products, such as inside a textbook, as long as the primary value of the product is not the asset itself, and the product is not reproduced more than 500,000 times. • Share the unmodified asset with your employees and contractors who have contractually agreed to abide by the license terms. • Transfer the license to your client or employer. (With a Standard license, you may not: • Distribute the stand-alone file. • Create merchandise, templates, or other products for resale or distribution where the primary value of the product is associated with the asset itself. For example, you can't use the asset to create a poster, t-shirt, or coffee mug that someone would buy specifically because of the asset printed on it. • Transfer the license to more than one employer or client, unless separately licensed for each.) Panel Edge Support for Narrow-Width Roof Sheathing Technical Note - R275 This publication provides recommendations from APA research on the performance of 24-inch and narrower roof sheathing panels Product Guide: HDO/MDO Plywood Product Guide - B360 Describes high density overlay (HDO) and medium density overlay (MDO) plywood applications, properties and characteristics, and shop practice and finishing recommendations Proper Installation of APA Rated Sheathing for Roof Applications Builder Tip - N335 This publication provides step-by-step instructions for roof sheathing installation Construction on an Apartment using FTAO in Rialto, California Santa Barbara Apartments Case Studies - S125 This case study discusses how glulam beams and wood structural panel shear walls were used to construct a California apartment complex on budget. Sill Flashing at Sliding Glass Door Typical Details - DT-BB-6 This detail shows sill flashing detail at sliding glass door of pan flashing counter-flashing deck flashing and water-resistive barrier. APA-Generic-Content-Card-Technical-Topic Slant Nailing Technical Topic - TT-058 This publication discusses the practice of driving nails at a slight angle in shear walls and diaphragms, and the difference between slant nailing and toe-nailing. 2024 Multi Products shots plywood, OSB, HDO/MDO The Importance of Code-Compliant Concrete Formwork Technical Guides - A236 This publication describes the importance of adhering to PS 1 plywood specifications to meet the material performance criteria outlined in ACI 318 & ACI 347, as mandated by the IBC Wood Moisture Content and the Importance of Drying in Wood Building Systems Technical Topic - TT-111 This publication provides guidance on how to avoid potential moisture problems when using wood structural products with impermeable materials Wood Structural Panel Sheathing on Hip Roofs Technical Topic - TT-083 This publication provides installation guidelines for hip-roof panel applications on trusses spaced 24 in. o.c. that address serviceability issues and improve performance 4 Best Practices for Glulam Installation Technical Guides - Q705 This publication provides simple steps to proper installation that ensures glulam beams perform as designed. Advanced Framing House in Limerick, Pennsylvania Advanced Framing Boosts Energy Performance Case Studies - T110 This case study explains how a Pennsylvania home builder gained a competitive advantage by adopting advanced framing techniques that deliver lasting energy savings to customers. Angle Bracket Hanger Typical Details - DT-SPR-1 This detail shows angle bracket hanger assembly for supporting steel sprinkler pipe from wood structural members using blocking and optional fastening methods. ANSI/APA PRG 320-2025 Standard for Performance-Rated Cross-Laminated Timber Standards - ANSI/APA PRG 320-2025 This ANSI/APA standard provides requirements and test methods for qualification and quality assurance for performance-rated cross-laminated timber (CLT). ANSI/APA PRP 210-2024: Standard for Performance-Rated Engineered Wood Siding Standards - ANSI/APA PRP 210-2024 This ANSI/APA standard provides requirements and test methods for qualification and quality assurance for performance-rated engineered wood siding. **Please note this image may have been edited or manipulated to enhance visually** ANSI/APA PRR 410-2021: Standard for Performance-Rated Engineered Wood Rim Boards Standards - ANSI/APA PRR 410 This standard provides requirements and test methods for qualification and quality assurance for performance rated engineered wood rim board. APA Rated Siding Exterior or Other Exterior Finish (Code-Recognized Type), 5/8" Type X Gypsum Sheathing, Minimum 15/32" APA Rated Sheathing Exposure 1 OSB or Plywood Typical Details - DT-FR-2 This detail shows a fire-rated wall assembly using wood structural panel sheathing over studs with gypsum wallboard, fire protective membrane, and glass fiber insulation. APA Rated Siding Exterior or Other Exterior Finish (Code-Recognized Type), 5/8" Type X Gypsum Sheathing, Minimum 7/16" APA Rated Sheathing Exposure 1 OSB or Plywood Typical Details - DT-FR-3 This detail shows fire-rated exterior wall assembly with APA rated siding over sheathing, insulation, 2x4 wood framing at 16" on center and Type X gypsum wallboard interior finish. APA Rated Siding Exterior, 5/8" Type X Gypsum Sheathing Typical Details - DT-FR-4 This detail shows a one-hour fire-rated wood-framed wall assembly with Type X gypsum sheathing and wallboard, optional insulation, and APA rated siding exterior finish. Beauty and the Budget Case Studies - V130 This publication describes how LEVER Architecture used engineered wood to balance design, budget and sustainability goals in a Portland, OR, commercial building project. Beveled SIP Wall Typical Details - DT-SIP-1 This detail shows a SIP wall beveled to support a sloped SIP roof that are connected together with panel screws and nails. It also shows sealant, roofing material and cladding. Brick Counter Flashing Details Typical Details - DT-BB-2 This detail shows chimney counter flashing detail of base flashing over shingle underlayment and roof deck, with counter flashing embedded in brick mortar joint. For images that has been clearly edited (excluding being lightened/darkening, etc.) and trademarks or logos that have been removed or blurred. Build a Better Home: Controlling Mold and Mildew Technical Guides - A525 This publication outlines the characteristics of mold and mildew, the effect they can have on a structure and its inhabitants, and provides methods for prohibiting their growth. Build Energy Efficient Walls Technical Guides - J440 This publication provides five basic steps to construct energy-saving wood wall systems that meet code, are durable to the forces of nature and help homeowners save money. Cantilever Detail for Vertical Building Offset with Double I-Joist Typical Details - DT-IJ-2 This detail shows cantilevered double I-joists supporting a vertical building offset and specifies connections to the top plate, blocking panels, and Rim Board or APA WSP closure. Ceiling Flange Hanger Typical Details - DT-SPR-2 This detail shows ceiling flange hanger installation for supporting steel sprinkler system pipes from engineered wood ceiling joists. Coach Screw Hanger Typical Details - DT-SPR-3 This detail shows a coach screw hanger assembly for supporting steel sprinkler pipe from wood framing using filler blocks and sheet metal screws or nails. Concrete Masonry Crawl Space Foundation Typical Details - DT-BB-1 This detail shows concrete masonry crawl space foundation. CPVC Hanger - Double Offset Typical Details - DT-SPR-4 This detail shows double offset CPVC sprinkler pipe hanger assembly using 2x4 blocking with sheet metal screws or nails, supporting 3" maximum diameter pipe per NFPA 13. CPVC Hanger - Face Mount Typical Details - DT-SPR-5 This detail shows two installation options for face-mounting CPVC sprinkler pipe hangers to wood blocking using either sheet metal screws or nail-and-block combinations. CPVC Hanger - Offset Typical Details - DT-SPR-6 This detail shows offset hanger installation for CPVC sprinkler system pipes showing two attachment options using backing nuts or sheet metal screws with lumber blocking. CPVC Hanger in Web Bore Typical Details - DT-SPR-7 This detail shows proper installation of a CPVC sprinkler system pipe hanger through an I-joist web bore, with maximum diameter and load requirements per NFPA 13. **Please note this image may have been edited or manipulated to enhance visually** Cross-Laminated Timber—North American CLT vs. Imported Product Technical Guides - S500 This publication describes the stringent product standards required for cross-laminated timber manufactured in North America, which may not be met by imported products APA-Generic-Content-Card-Technical-Topic Deflection Limits in the 2018 IBC for Engineered Wood Products Technical Topic - TT-123 This publication clarifies the applicability of the D+L deflection limits specified in Table 1604.3 of the 2018 IBC, specifically as they pertain to engineered wood products. End and Edge Distances, Loaded and Unloaded Typical Details - DT-SPR-8 This detail shows proper bolt spacing requirements including loaded edge distance, unloaded edge distance, end distance, and spacing between rows of bolts. Energy-Heel Truss Attachment to Sheathing Typical Details - DT-RH-1 This detail shows raised heel energy truss attachment to an exterior wall for additional attic insulation space. Eye Rod Hanger Typical Details - DT-SPR-9 This detail shows eye rod hanger for supporting steel sprinkler pipes from wood framing using filler blocks and sheet metal screws or nails per NFPA 13 requirements. FAQs About Oriented Strand Board Technical Topic - TT-133 This publication discusses buckling, fastener recommendations, surface flaking, thickness swell, linear expansion and moisture management of OSB wood structural panels APA-Generic-Content-Card-Technical-Topic Fire-Retardant-Treated Structural Glued Laminated Timber Technical Topic - TT-127 This publication provides a summary of results of an APA/USDA Forest Product Laboratory pilot test program examining structural properties of Fire-Retardant Treated glulam. Flame Spread Index of APA Performance-Rated Wood Structural Panels Technical Topic - TT-010 This publication summarizes surface burning characteristics (flame spread and smoke development) of wood structural panels tested in accordance with ASTM E84 Flame-Spread Rating for Oriented Strand Board (OSB) Sheathing in Canada Technical Topic - TT-128 This publication discusses the results of a series of CAN/ULC-S102 tests of flame-spread rating (FSR) and smoke developed classification (SDC) for OSB sheathing in Canada Foam SIP Ridge Cap Detail Typical Details - DT-SIP-2 This detail shows roof SIPs sloped up to form a ridge and connections of the SIPs to framing members with panel screws, while also showing tape, sealant, and roofing materials. Framing Anchor to Backer Block Typical Details - DT-IJ-3 This detail shows installation of backer and filler blocks for a double I-joist header supporting a stair stringer that is attached with a framing anchor. Garage Door Header to End Wall, King Stud Nailed to Beam Typical Details - DT-GH-1 This detail shows a connection of a garage door header at and end wall where a glulam beam is connected to a king stud with nails. Garage Door Header to End Wall, Steel Tie Plate Typical Details - DT-GH-2 This detail shows a connection of a garage door header and an end wall using a steel plate fastened to a solid wood post, glulam column or studs. Glulam or Multi-Structural Composite Lumber Beams Typical Details - DT-IJ-4 This detail shows I-Joists with top mount hangers supported by a multi-ply structural composite lumber (SCL) beam. This detail is similar for a glulam beam with face mount hangers. OLYMPUS DIGITAL CAMERA Introduction to Lateral Design Technical Guides - X305 This publication explains how to design wood-frame buildings to withstand the lateral loads typical of high wind and seismic zones. LeMay Car Museum in Tacoma, Washington LeMay America's Car Museum Case Studies - N115 This case study discusses how curved glulam beams enabled dramatic design, seismic resilience and cost effectiveness for the LeMay Car Museum in Tacoma, Washington. Load Carried by Flanges Typical Details - DT-SPR-11 Installation detail for supporting steel sprinkler pipes from structural framing using hanger blocks with fastening specifications for different pipe sizes and loads. Load-Bearing Interior (Chase) Wall System Typical Details - DT-FR-6 Fire-rated load bearing interior chase wall assembly with gypsum wallboard, plywood sheathing, insulation cavity, and 1-inch space between stud walls at 16- or 24-inch centers. Method ABW – Alternate Braced Wall Typical Details - DT-WB-2 This detail shows the alternate braced wall bracing method and its requirements including sheathing fastening, framing requirements, and foundation anchorage. Method PFG – Intermittent Portal Frame at Garage Door Openings in SDC A, B and C Typical Details - DT-WB-7 This detail shows the wall bracing method portal frame at a garage and its requirements including sheathing attachment, minimum member sizes, and anchorage. Method PFH – Intermittent Portal Frame with Hold Down Typical Details - DT-WB-9 This detail shows the wall bracing method portal frame with hold down and its requirements including minimum framing sizes, sheathing attachment, hold-downs, and anchorage. Minimum 1/2" APA Rated Siding Exterior Plywood, 1" Rigid Foam Insulation Sheathing; Exterior Finish-Elastomeric Coating, 1" Rigid Foam Insulation Sheathing, Minimum 1/2" APA Rated Sheathing Exposure 1 Plywood Typical Details - DT-FR-7 Fire-rated wall assembly of two UL-rated configurations (U330 and U335) with different exterior finishes over wood framing with mineral wool or glass fiber insulation.
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