Technical Document Library

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 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 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 Burn-Through Resistance of OSB Panels Technical Topic - TT-025 This publication discusses fire test results comparing the burn-through resistance of oriented strand board (OSB) and plywood. 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 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 Double-Sheathed Shear Walls Technical Topic - TT-115 This technical topic presents the results and discussion of full-scale testing of double-sheathed shear walls with both layers of wood structural panels on a single side. 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 Fastener Loads for Plywood - Screws Technical Note - E830 This publication summarizes APA test data on ultimate withdrawal and ultimate lateral loads for plywood joints fastened with wood screws and sheet metal screws. 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 Formaldehyde and Engineered Wood Products Technical Note - J330 This publication addresses concerns related to formaldehyde in engineered wood products and explains their exemption from leading formaldehyde emission standards and regulations. Joint Research Report: Evaluation of Force Transfer Around Openings - Experimental and Analytical Studies Research Report - M410 This report contains research results on force transfer around openings (FTAO). This study was a joint effort between APA, the USDA FPL and the UBC. Laminated Veneer Lumber Dimension Adjustment Factors for Compliance with NIST Handbook 130 Technical Topic - TT-131 This publication provides procedures for adjusting dimensional measurements of laminated veneer lumber (LVL) in compliance with NIST Handbooks 130 and 133. Moisture-Related Dimensional Stability Technical Topic - TT-028 This publication discusses linear expansion and thickness swell in wood structural panels due to moisture Plywood Design Specification, Supplement 2-23: Design and Fabrication of Glued Plywood-Lumber Beams Technical Guides - S812 This publication presents the recommended method for the design and fabrication of glued plywood and lumber beams. Plywood Design Specification, Supplement 5-23: Design and Fabrication of All-Plywood Beams Technical Guides - H815 This publication presents the recommended methods for the design and fabrication of staple-glued all-plywood beams. 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 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. Shear Wall Test Results Comparing 8d Common and 8d Box Nails Technical Topic - TT-087 This publication provides results from full-scale shear-wall tests and demonstrates the conservative capacities given in ESR-1539.