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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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)

$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

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 April 2009. (Form Z725 - 25 pages)

Free APA Performance Rated I-Joists (PDF Download)
2.2 MB

APA Product Report PR-L238, Louisiana-Pacific Corporation

LPI® 18, 20Plus, 32Plus, 42Plus Series I-Joists, Louisiana-Pacific Corporation, Revised November 2, 2009. (PR-L238 - 5 pages)

Free APA Product Report PR-L238, Louisiana-Pacific Corporation (PDF Download)
99 K

APA Product Report PR-L252, International Beams

IB Series I-Joists, International Beams, Inc., PR-L252. Revised July 6, 2009. (PR-L252 - 5 pages)

Free APA Product Report PR-L252, International Beams (PDF Download)
96 K

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

GPI® Series I-Joists, Georgia-Pacific Wood Products LLC, PR-L255. Updated August 21, 2009. (PR-L255 - 3 pages)

Free APA Product Report PR-L255, Georgia-Pacific Wood Products LLC (PDF Download)
86 K

APA Product Report PR-L256, Georgia-Pacific Wood Products LLC

Wood I Beam™: WI Series I-Joists, Georgia-Pacific Wood Products LLC. Revised August 21, 2009. (PR-L256 - 3 pages)

Free APA Product Report PR-L256, Georgia-Pacific Wood Products LLC (PDF Download)
92 K

APA Product Report PR-L259, Roseburg Forest Products Company

Roseburg RFPI Series I-Joists, Roseburg Forest Products Company. Revised November 24, 2009. (PR-L259 - 3 pages)

Free APA Product Report PR-L259, Roseburg Forest Products Company (PDF Download)
85 K

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

Power Joist® I-Joists, Anthony-Domtar, Inc., Revised January 19, 2009. (PR-L261 - 4 pages)

Free APA Product Report PR-L261, Anthony-Domtar, Inc. (PDF Download)
93 K

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

Power Joist® I-Joists, Anthony-Domtar, Inc., Canadian Limit States Design. Issued October 10, 2008. (PR-L261C - 3 pages)

Free APA Product Report PR-L261C, Anthony-Domtar, Inc. (PDF Download)
88 K

APA Product Report PR-L262, Pacific Woodtech Corp.

PWI Joists, Pacific Woodtech Corporation, Revised January 22, 2010. (PR-L262 - 4 pages)

Free APA Product Report PR-L262, Pacific Woodtech Corp. (PDF Download)
104 K

APA Product Report PR-L268, Georgia-Pacific Wood Products LLC

XJ 85™ Wood I Beam™ Joist, Georgia-Pacific Wood Products LLC. Revised August 20, 2009. (PR-L268 - 4 pages)

Free APA Product Report PR-L268, Georgia-Pacific Wood Products LLC (PDF Download)
91 K

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

Broadspan™ I-Joists, Georgia-Pacific Wood Products LLC, Revised January 20, 2010. (PR-L273 - 3 pages)

Free APA Product Report PR-L273, Georgia-Pacific Wood Products LLC (PDF Download)
89 K

APA Product Report PR-L274, Nordic Engineered Wood

Nordic Joist™, Nordic Engineered Wood, Revised April 16, 2009. (PR-L274 - 4 pages)

Free APA Product Report PR-L274, Nordic Engineered Wood (PDF Download)
94 K

APA Product Report PR-L276, Georgia-Pacific Wood Products South LLC

GPI® Series I-Joists, Georgia-Pacific Wood Products South LLC. Revised August 14, 2009. (PR-L276 - 3 pages)

Free APA Product Report PR-L276, Georgia-Pacific Wood Products South LLC (PDF Download)
89 K

APA Product Report PR-L288, Georgia-Pacific Wood Products LLC

Broadspan™ S Series I-Joists, Georgia-Pacific Wood Products LLC. Revised October 23, 2009. (PR-L288 - 3 pages)

Free APA Product Report PR-L288, Georgia-Pacific Wood Products LLC (PDF Download)
86 K

APA Product Report PR-L295, Jager Engineered Wood Products Ltd.

JSI Series I-Joists, Jager Engineered Wood Products Ltd. Issued December 15, 2009 (PR-L295 - 3 pages)

Free APA Product Report PR-L295, Jager Engineered Wood Products Ltd. (PDF Download)
86 K

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

Includes important tips for storage, handling and jobsite use. Updated August 2007. Available only as a downloadable PDF. (Form Z735 - 2 pages)

Free Builder Tip: APA Performance Rated I-Joists Storage, Handling & Safety Recommendations (PDF Download)
174 K

Builder Tips: I-Joist Backer Blocks

Includes an explanation of backer blocks and how they are used with both top-mounted and face-mounted hangers. Available only as a downloadable pdf file. Issued January 2001 (Form A765 - 2 pages)

Free Builder Tips: I-Joist Backer Blocks (PDF Download)
82 K

Builder Tips: I-Joist Blocking

Explains why I-joists benefit from being installed with blocking, blocking material composition, and installation details. Only available as a downloadable pdf file. Revised April 2009. (Form A750 - 2 pages)

Free Builder Tips: I-Joist Blocking (PDF Download)
216 K

Builder Tips: I-Joist Filler Blocks

Includes a description of filler blocks, their composition, and installation recommendations. Available only as a downloadable pdf file. Issued January 2001. (Form A760 - 2 pages)

Free Builder Tips: I-Joist Filler Blocks (PDF Download)
73 K

Builder Tips: I-Joist Squash Blocks

Includes a description of squash blocks, their composition, and installation recommendations. Available only as a downloadable pdf file. Issued January 2001. (Form A755 - 2 pages)

Free Builder Tips: I-Joist Squash Blocks (PDF Download)
80 K

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. Available only as a downloadable pdf file. Revised August 2007. (Form A745 - 2 pages)

Free Builder Tips: I-Joist Web Stiffeners (PDF Download)
117 K

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

Describes the selection of headers and trimmers and details their use in unsupported stairwell openings. Issued January 2002. Available only as a downloadable pdf file. Issued January 2002. (Form EWS B710 - 2 pages)

Free Builder Tips: Stairwell Openings Parallel to I-Joist Floor Framing (PDF Download)
423 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)

$0.50 Case Study: Liberty High School (Purchase Paper Copy) Free Case Study: Liberty High School (PDF Download)
87 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. Available only as a downloadable pdf file. Updated October 2007. (Form D350 - 10 pages)

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

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

Available only as a downloadable pdf file. Issued August 2004. (Form EWS D720 - 4 pages)

Free Data File: Construction Practices for Wood I-Joist Floor Vibration Retrofit (PDF Download)
103 K

EWS 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 EWS Y250 - 12 pages)

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

EWS Technical Note - Stairwell Opening 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. Issued October 2001. Available only as a downloadable pdf file. (Form EWS Z705 - 8 pages)

Free EWS Technical Note - Stairwell Opening in APA PRI I-Joist Floors (PDF Download)
142 K

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)

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

I-Joist Construction Details - 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. Only available as a downloadable PDF file. Revised November 2009. (Form D710 - 55 pages)

Free I-Joist Construction Details - Performance Rated I-Joists in Floor and Roof Framing (PDF Download)
7.4 MB

PRI-400 Performance Standard for APA EWS I-Joists

Performance criteria, qualification requirements, and quality assurance information for APA Performance Rated I-Joists. Only available as a downloadable pdf file. Revised August 2004. (Form EWS X720 - 12 pages)

Free PRI-400 Performance Standard for APA EWS I-Joists (PDF Download)
155 K

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

Performance criteria, qualification requirements, and quality assurance information for APA Performance Rated I-Joists, Limit States Design. Only available as a downloadable pdf file. Issued July 2004. (Form EWS E720 CA - 15 pages)

Free PRI-400 Performance Standard for APA EWS I-Joists (Limit States Design) (PDF Download)
157 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)

Free Source List: APA EWS Producing Members (PDF Download)
100 K

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)

Free Specification Guide: Short Form for I-Joists and Rim Board (PDF Download)
176 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)

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)

Free Technical Note: Proper Storage and Handling of I-Joists and LVL (PDF Download)
168 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)

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

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. Updated September 2008. (Form J735 - 5 pages)

Free Technical Note: Temporary Construction Loads Over I-joist Roofs and Floors (PDF Download)
250 K

Technical Topics: I-Joist and Rim Board Connections for Conventional Construction

Provides details for fastening wood I-joists to engineered Rim Boards, sill plates, and wall top plates. In addition, illustrates proper placement and fastening of web stiffeners, placement of filler blocks in wood I-joists, backer-block header for stair stringers, cantilevered lumber attached to wood I-joists, other filler blocks and blocking methods. Available only as a downloadable pdf file. (Form TT-095 - 6 pages)

Free Technical Topics: I-Joist and Rim Board Connections for Conventional Construction (PDF Download)
823 K

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