APA - The Engineered Wood Association

Publications Featuring I-Joists

This section contains APA publications created to help you design, specify, install and protect APA EWS trademarked I-joists in a variety of applications.

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Technical Topics: APA Engineered Wood I-Joist Floors and Radiant Heat Systems

Technical Topics. Available only as downloadable PDF. Issued April 30, 2013. (TT-113 - 2 pages)

4/30/2013 Free Technical Topics: APA Engineered Wood I-Joist Floors and Radiant Heat Systems (PDF Download)
735 K

APA Green Verification Report GR-L259, Roseburg RFPI® Series I-Joists

RFPI-joists are made with laminated veneer lumber (LVL) flanges with the exception of RFPI-40S, RFPI-60S and RFPI-80S, which are made of lumber flanges, and OSB webs in accordance with the in-plant manufacturing standard approved by APA. Only available as dowloadable PDF. Issued May 31, 2013 (GR-L259 - 3 pages)

5/31/2013 Free APA Green Verification Report GR-L259, Roseburg RFPI® Series I-Joists (PDF Download)
141 K

APA Product Report L252(C), IB Series I-Joists, International Beams, Inc., Canadian Version

Products: IB-400, 600, 800 and 900 Prefabricated Wood I-Joists (Canadian Edition), International Beams, Inc. Available only as downloadable PDF. Revised February 11, 2014. (PR-L252C - 7 pages)

2/11/2014 Free APA Product Report L252(C), IB Series I-Joists, International Beams, Inc., Canadian Version (PDF Download)
113 K

APA Green Verification Report GR-L252, IB Series I-Joists, International Beams, Inc.

International Beams IB Series I-joists listed in this report are qualified for green construction with points specified in the included Tables, as independently verified by APA. Only available as a downloadable PDF. Updated June 20, 2013. (Form GR-L252 - 3 pages)

6/20/2013 Free APA Green Verification Report GR-L252, IB Series I-Joists, International Beams, Inc. (PDF Download)
141 K

APA Product Report L315C, PKI Series I-Joists, Limit States Design, PinkWood Ltd.

PKI Series 20 I-Joists, Limit States Design, PinkWood Ltd., PinkWood Ltd, 5929 6th St. NE, Calgary, AB, Canada T2K 5R5. Issued February 27, 2014. (PR-L315C - 4 pages)

2/27/2014 Free APA Product Report L315C, PKI Series I-Joists, Limit States Design, PinkWood Ltd. (PDF Download)
221 K

Product Report PR-L315, PKI Series I-Joists, PinkWood Ltd.

PKI 20 Series I-Joists, PinkWood Ltd., 5929 6th St. NE, Calgary, Alberta, Canada T2K 5R5. Issued February 27, 2014. (PR-L315 - 4 pages)

2/27/2014 Free Product Report PR-L315, PKI Series I-Joists, PinkWood Ltd. (PDF Download)
218 K

APA Engineered Wood Construction Guide Excerpt: I-Joist

Excerpt from the Engineered Wood Construction Guide, Form E30. Includes product descriptions and specification recommendations for I-joist. Only available as a downloadable pdf file. Revised September 2011. ( - 8 pages)

9/22/2011 Free APA Engineered Wood Construction Guide Excerpt: I-Joist (PDF Download)
1.9 MB

APA Performance Rated I-Joists

Includes information on Span Ratings, installation details, cantilever designs, architectural specifications and engineering design properties for APA Performance Rated I-Joists. Only available as a downloadable pdf file. Revised September 2012. (Form Z725 - 26 pages)

9/17/2012 Free APA Performance Rated I-Joists (PDF Download)
4.8 MB

Specification Guide: Short Form for I-Joists and Rim Board

Sample specifications for APA Performance Rated I-Joists and Rim Boards. Available only as a downloadable PDF. Updated August 2009. (Form Y315 - 2 pages)

8/7/2009 Free Specification Guide: Short Form for I-Joists and Rim Board (PDF Download)
176 K

I-Joist Construction Details - Performance Rated I-Joist Roof Framing Details

Installation guide includes recommended construction details for I-joists in roof applications. Only available as a downloadable PDF file. Revised March 2012. (Form D710 - 10 pages)

3/26/2012 Free I-Joist Construction Details - Performance Rated I-Joist Roof Framing Details (PDF Download)
2.2 MB

I-Joist Construction Details - Canadian Limit States Design

Performance Rated I-Joists in Floor and Roof Framing
Installation guide includes recommended construction details for I-joists in floor and roof applications. Also includes details for cantilevers and web holes. Updated March 2008. Available as a downloadable pdf file only. Revised March 2008 (Form E715CA - 55 pages)

3/6/2008 Free I-Joist Construction Details - Canadian Limit States Design (PDF Download)
2.2 MB

Builder Tip: APA Performance Rated I-Joists Storage, Handling & Safety Recommendations

Includes important tips for storage, handling and jobsite use. Available only as a downloadable PDF. Revised November 2010. (Form Z735 - 2 pages)

11/1/2010 $0.50 Builder Tip: APA Performance Rated I-Joists Storage, Handling & Safety Recommendations (Purchase Paper Copy) Free Builder Tip: APA Performance Rated I-Joists Storage, Handling & Safety Recommendations (PDF Download)
878 K

Builder Tips: Stairwell Openings Parallel to I-Joist Floor Framing

THIS PUBLICATION HAS BEEN DISCONTINUED. Please refer to Form Z705 for more information on this topic. (Form EWS B710)

Builder Tips: I-Joist Web Stiffeners

Includes explanations and installation details for the two types of I-Joist web stiffeners: bearing stiffeners and load stiffeners. Revised November 2010. (Form A745 - 2 pages)

11/1/2010 $0.50 Builder Tips: I-Joist Web Stiffeners (Purchase Paper Copy) Free Builder Tips: I-Joist Web Stiffeners (PDF Download)
451 K

Builder Tips: I-Joist Backer Blocks

Explains backer blocks and how they are used with both top-mounted and face-mounted hangers. Revised November 2010. (Form A765 - 2 pages)

11/1/2010 $0.50 Builder Tips: I-Joist Backer Blocks (Purchase Paper Copy) Free Builder Tips: I-Joist Backer Blocks (PDF Download)
486 K

Builder Tips: I-Joist Filler Blocks

Describes filler blocks, their composition, and installation recommendations. Revised November 2010 (Form A760 - 2 pages)

11/1/2010 $0.50 Builder Tips: I-Joist Filler Blocks (Purchase Paper Copy) Free Builder Tips: I-Joist Filler Blocks (PDF Download)
474 K

Builder Tips: I-Joist Blocking

Explains why I-joists benefit from being installed with blocking, blocking material composition, and installation details. Revised April 2009. (Form A750 - 2 pages)

4/10/2009 $0.50 Builder Tips: I-Joist Blocking (Purchase Paper Copy) Free Builder Tips: I-Joist Blocking (PDF Download)
216 K

Builder Tips: I-Joist Squash Blocks

Includes a description of squash blocks, their composition, and installation recommendations. Revised February 2013. (Form A755 - 2 pages)

2/13/2013 $0.50 Builder Tips: I-Joist Squash Blocks (Purchase Paper Copy) Free Builder Tips: I-Joist Squash Blocks (PDF Download)
826 K

Case Study: Liberty High School

Glulam, I-joists and plywood are used in a 19-building high school campus. Issued April 1998. (Form Y115 - 2 pages)

4/30/1998 $0.50 Case Study: Liberty High School (Purchase Paper Copy) Free Case Study: Liberty High School (PDF Download)
87 K

Case Study: Murray House

This case study features the construction of owner/builder Scott Murray's raised wood floor home in St. Augustine, Florida. Murray wanted a home with height and curb appeal. He chose to forego the slab-on-grade construction typical for Florida in favor of a raised wood floor over a closed crawl space. Murray says a raised wood floor helps to protect his home from moisture and pests, and offers better access for foundation inspections, underfloor repairs and retrofits. Issued February 2011. (Form L110 - 2 pages)

2/15/2011 Free Case Study: Murray House (PDF Download)
1.2 MB

PRI-405: Performance Standard for APA EWS Commercial I-Joists

This standard provides requirements and design properties for APA EWS Performance-Rated I-joists in sizes that are commonly used in nonresidential floor and roof construction. Revised December 2012. (PRI-405 - 11 pages)

12/11/2012 Free PRI-405: Performance Standard for APA EWS Commercial I-Joists (PDF Download)
769 K

PRI-400 Performance Standard for APA EWS I-Joists

Performance criteria, qualification requirements, and quality assurance information for APA Performance Rated I-Joists used in residential floors. Only available as a downloadable pdf file. Revised May 2012. (Form X720 - 11 pages)

5/16/2012 Free PRI-400 Performance Standard for APA EWS I-Joists (PDF Download)
979 K

PRI-400 Performance Standard for APA EWS I-Joists (Limit States Design)

Performance criteria, qualification requirements & quality assurance info for APA Performance Rated I-Joists, Limit States Design in accordance with the National Building Code of Canada.Only available as a downloadable pdf file. Revised Nov. 2013 (Form E720 CA - 11 pages)

11/8/2013 Free PRI-400 Performance Standard for APA EWS I-Joists (Limit States Design) (PDF Download)
606 K

Technical Note - Stairwell Openings in APA PRI I-Joist Floors

Describes how to detail an unsupported stairwell opening in a residential floor. Simplifies the selection of trimmers and headers, provides guidance on the appropriate detailing for their use, and quantifies hanger capacity requirements for I-joist-to-header and header-to-trimmer intersections. Revised September 2012. Available only as a downloadable pdf file. (Form Z705 - 10 pages)

9/12/2012 Free Technical Note - Stairwell Openings in APA PRI I-Joist Floors (PDF Download)
447 K

Technical Note: Temporary Construction Loads Over I-Joist Roofs and Floors

Provides recommendations for proper placement of heavy loads in a partially completed light-framed structure to prevent damage to the structure and/or injury to the work crew. Only available as a downloadable PDF. Revised July 2012. (Form J735 - 5 pages)

7/17/2012 Free Technical Note: Temporary Construction Loads Over I-Joist Roofs and Floors (PDF Download)
260 K

Technical Note: Minimizing Floor Vibration by Design and Retrofit

This publication covers the subjective nature of vibration perception, fundamental natural frequency, and the criteria for floor vibration control, as well as guidelines to remedy floor vibration problems in existing buildings. Available only as a downloadable pdf file. Issued September 2004. (Form EWS E710 - 7 pages)

9/23/2004 Free Technical Note: Minimizing Floor Vibration by Design and Retrofit (PDF Download)
96 K

Technical Note: Proper Storage and Handling of I-Joists and LVL

Provides recommendations for safe handling and storage of I-joists and LVL. Best practices for cut-up at distribution and moisture effects are also discussed. Issued March 2005. Only available as a downloadable pdf file. Issued March 2005. (Form EWS E705 - 8 pages)

3/23/2005 Free Technical Note: Proper Storage and Handling of I-Joists and LVL (PDF Download)
168 K

Technical Topics: Rim Board and I-Joist Nail Spacing Recommendations

Complete Title: Technical Topics: Nail Spacing Recommendations for APA EWS Rim Boards® and I-Joists Available only as a downloadable pdf file. Issued April 8, 2010. (Form TT-094 - 2 pages)

4/8/2010 Free Technical Topics: Rim Board and I-Joist Nail Spacing Recommendations (PDF Download)
629 K

Technical Topics: Wood I-Joist Floors, Firefighters and Fire

A discussion of the durability and safety of wood I-joist floor assemblies in structure fires. It includes APA’s recommendation to increase the fire endurance of all floor-joist assemblies based on the International Building Code. Available only as a downloadable pdf file. Revised May 15, 2012. (Form TT-015 - 4 pages)

5/15/2012 Free Technical Topics: Wood I-Joist Floors, Firefighters and Fire (PDF Download)
544 K

Technical Topics: Suggested Blocking Installation Details for Wood I-Joist Starter Joists

Provides suggested I-Joist blocking details, which may be used when local codes require prescriptive blocking in the space adjacent to starter joists or rim board. Available only as a downloadable pdf file. Revised July 31, 2013. (Form TT-078 - 2 pages)

7/31/2013 Free Technical Topics: Suggested Blocking Installation Details for Wood I-Joist Starter Joists (PDF Download)
1.4 MB

Technical Topics: Holes in Blocking Panels Used in Conventional Construction

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. Available only as a downloadable pdf file. Revised May 9, 2012. (Form TT-040 - 3 pages)

5/9/2012 Free Technical Topics: Holes in Blocking Panels Used in Conventional Construction (PDF Download)
502 K

Data File: Construction Practices for Wood I-Joist Floor Vibration Retrofit

Identifying the causes of and remedies for excessive floor vibration. Available only as a downloadable pdf file. Issued August 2004. (Form EWS D720 - 4 pages)

8/31/2004 Free Data File: Construction Practices for Wood I-Joist Floor Vibration Retrofit (PDF Download)
99 K

Technical Note: Sprinkler Installation for APA Performance Rated I-Joists

APA Performance Rated wood I-joists (PRI) are often used in conjunction with both steel and chlorinated polyvinyl chloride (CPVC) sprinkler systems. This PDF package includes a Technical Note providing basic guidance on appropriate methods of attachment of steel and CPVC sprinkler systems to PRI joists, and a supplement of Sprinkler Pipe Installation Design Details. Issued June 2009. Available only as a downloadable PDF. Replaces Form H730. (Form J745 - 35 pages)

6/30/2009 Free Technical Note: Sprinkler Installation for APA Performance Rated I-Joists (PDF Download)
1.6 MB

Data File: Shear Transfer at Engineered Wood Floors

Diaphragm perimeter nailing and transfer of shear wall forces from the walls above in to the foundation/wall framing below. Issued September 1999. (Form Y250 - 12 pages)

9/30/1999 $1.00 Data File: Shear Transfer at Engineered Wood Floors (Purchase Paper Copy) Free Data File: Shear Transfer at Engineered Wood Floors (PDF Download)
112 K

Data File: APA Rim Board in Fire Rated Assemblies

Recommendations for the use of APA Rim Board in conjunction with fire-rated wall and/or floor assemblies, based on tests conducted by the USDA Forest Service at the Forest Products Laboratory in Madison, Wisconsin. (Reference Research Paper FPL-RP-610.) Available only as a downloadable pdf file. Updated October 2007. (Form D350 - 10 pages)

10/9/2007 Free Data File: APA Rim Board in Fire Rated Assemblies (PDF Download)
340 K

APA Product Report PR-L273, Georgia-Pacific Wood Products LLC

Broadspan® I-Joists, Georgia-Pacific Wood Products LLC, Revised Feb 13, 2014. (PR-L273 - 4 pages)

2/13/2014 Free APA Product Report PR-L273, Georgia-Pacific Wood Products LLC (PDF Download)
98 K

APA Product Report PR-L274, Nordic Engineered Wood

Nordic Joist™, Prefabricated Wood I-Joists. Nordic Engineered Wood. Revised April 16, 2014. (PR-L274 - 7 pages)

4/16/2014 Free APA Product Report PR-L274, Nordic Engineered Wood (PDF Download)
111 K

APA Product Report PR-L261C, Anthony EACOM, Inc.

Power Joist® I-Joists, Anthony EACOM, Inc., Canadian Limit States Design. Revised October 10, 2013. (PR-L261C - 4 pages)

10/10/2013 Free APA Product Report PR-L261C, Anthony EACOM, Inc. (PDF Download)
102 K

APA Product Report PR-L288, Broadspan® "S" Series I-Joists, GP Roxboro

Broadspan® S Series I-Joists, Georgia-Pacific Wood Products LLC. Revised May 24, 2013. (PR-L288 - 4 pages)

10/24/2013 Free APA Product Report PR-L288, Broadspan® "S" Series I-Joists, GP Roxboro (PDF Download)
95 K

APA Product Report PR-L252, International Beams

IB-400, 600, 800 and 900 Prefabricated wood I-joists, International Beams, Inc. Revised February 28, 2014. (PR-L252 - 6 pages)

2/11/2014 Free APA Product Report PR-L252, International Beams (PDF Download)
109 K

APA Product Report PR-L255, Georgia-Pacific Wood Products LLC

GPI® 20, 40 and 65 Series I-Joists, Georgia-Pacific Wood Products LLC, PR-L255. Revised September 09, 2013. (PR-L255 - 4 pages)

9/9/2013 Free APA Product Report PR-L255, Georgia-Pacific Wood Products LLC (PDF Download)
97 K

APA Product Report PR-L256, Wood I Beam™: Series I-Joists GP

Wood I Beam™ : WI 40, WI 60, WI 80, WI 80A and WI 85 Series I-Joists, Georgia-Pacific Wood Products LLC. Revised September 9, 2013. (PR-L256 - 3 pages)

9/9/2013 Free APA Product Report PR-L256, Wood I Beam™: Series I-Joists GP (PDF Download)
95 K

APA Product Report PR-L238, Louisiana-Pacific Corporation

LP® SolidStart® I-Joists (LPI® series), Louisiana-Pacific Corporation, Revised December 19, 2013. (PR-L238 - 9 pages)

12/19/2013 Free APA Product Report PR-L238, Louisiana-Pacific Corporation (PDF Download)
127 K

APA Product Report PR-L259, Roseburg Forest Products Company

Roseburg RFPI Products: RFPI-20, 40S, 400, 40, 60S, 70, 90, 700 and 900 Series I-Joists; Roseburg Forest Products Company. Revised April 18, 2014. (PR-L259 - 7 pages)

4/18/2014 Free APA Product Report PR-L259, Roseburg Forest Products Company (PDF Download)
164 K

APA Product Report PR-L261, Anthony EACOM, Inc.

Power Joist® I-Joists, Anthony EACOM, Inc., Revised January 29, 2014. (PR-L261 - 5 pages)

1/29/2014 Free APA Product Report PR-L261, Anthony EACOM, Inc. (PDF Download)
103 K

APA Product Report PR-L262, Pacific Woodtech Corp.

PWI Joists, Pacific Woodtech Corporation, Available as downloadable PDF only. Revised January 26, 2014. (PR-L262 - 7 pages)

1/26/2014 Free APA Product Report PR-L262, Pacific Woodtech Corp. (PDF Download)
117 K

APA Product Report PR-N130 is not available

APA Product Report PR-N130, Meadow Lake OSB Limited Partnership, Tolko I Choice™ OSB Rim Boards is not available. (PR-N130 - 2 pages)

4/16/2013

APA Green Verification Report GR-L274, Nordic Joist,™ Nordic Engineered Wood

Green standards of manufacture, energy use and resource met by Nordic Engineered Wood's I-joists. Available as downloadable PDF only. Revised March 11, 2014. (APA GR-L274 - 5 pages)

3/11/2014 Free APA Green Verification Report GR-L274, Nordic Joist,™ Nordic Engineered Wood (PDF Download)
147 K

APA Product Report L310C, AJS® Series I-Joists, Boise Cascade Company for Canada

AJS® Series 110 and 190 All Joist® I-joists; Limit States Design; Boise Cascade Company, 70 rue industrielle, St. Jacques, NB, E7B 1T1Revised January 28, 2014 (PR-L310C - 4 pages)

1/28/2014 Free APA Product Report L310C, AJS® Series I-Joists, Boise Cascade Company for Canada (PDF Download)
109 K

APA Product Report PR-L310, AJS® Series I-Joists, Boise Cascade Co.

AJS® Series 110 and 190 All Joist® I-joists, Boise Cascade Company, 70 rue industrielle, St. Jacques, NB, E7B 1T1Revised January 28, 2014 (PR-L310 - 4 pages)

1/28/2014 Free APA Product Report PR-L310, AJS® Series I-Joists, Boise Cascade Co. (PDF Download)
98 K

APA Product Report PR-L274C, Nordic Engineered Wood, Canadian Edition

Nordic Joist™, Prefabricated Wood I-Joists conforming to Canadian building codes and standards. Nordic Engineered Wood. Revised April 16, 2014. (PR-L274C - 7 pages)

4/16/2014 Free APA Product Report PR-L274C, Nordic Engineered Wood, Canadian Edition (PDF Download)
113 K

APA Product Report PR-E730, Qualified Wood I-Joists with Low Formaldehyde Emissions

I-Joist products (Anthony Eacom; Inc., mill 1058; Pacific Woodtech Corporation, mill 1048; Roseburg Forest Products Company, mill 1053) that meet APA Custom Product Specification E-730. Revised April 09, 2013 (PR-E730 - 2 pages)

4/9/2013 Free APA Product Report PR-E730, Qualified Wood I-Joists with Low Formaldehyde Emissions (PDF Download)
91 K

Source List: APA EWS Producing Members

Engineered Wood System manufacturers according to product type. Available as a downloadable PDF only. Updated September 2007. (Form EWS R530 - 3 pages)

9/18/2007 Free Source List: APA EWS Producing Members (PDF Download)
100 K

APA Glulam, I-joist and LVL Publication Index

A supplement to the APA Publication Index. Formerly referred to as APA EWS Publications Index. Updated November 2006. (Form EWS S400 - 2 pages)

11/30/2006 $0.00 APA Glulam, I-joist and LVL Publication Index (Purchase Paper Copy) Free APA Glulam, I-joist and LVL Publication Index (PDF Download)
125 K

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