APA - The Engineered Wood Association

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  • CONFIDENCE DELIVERED -- APA Product Reports give you the confidence to design and specify engineered wood products in conformance with codes and standards.
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The Leading Resource for Information About Engineered Wood Products™

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  • 01.31.12 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 January 2012.
  • 01.26.12 Data File: 303 Siding Manufacturing Specifications
    The provisions of this specification represent minimum requirements that plywood panels must meet to qualify for classification as APA 303 Series Specialty Siding. Available only as a downloadable PDF. Revised January 2012.
  • 01.20.12 ANSI/APA PRG 320-2011: Standard for Performance-Rated Cross-Laminated Timber
    Standard provides requirements and test methods for qualification and quality assurance for performance-rated cross-laminated timber, which is manufactured from solid-sawn lumber or structural composite lumber. Issued December 20, 2011

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CODES AND STANDARDS


ANSI Standard Development

APA is accredited by the American National Standards Institute (ANSI) to develop national consensus standards for engineered wood products.

APA Product Reports® 

APA System Reports

Green Verification Reports

 

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Featured APA Sites


APACAD.org

More than 200 free CAD details for wood-frame construction. Detalles ahora disponibles en español.

Raised Wood Floors

Showcasing the benefits of raised wood floor construction.

PerformancePanels.com

Non-construction applications of engineered wood panels.

WoodUniversity.org

Free online courses about engineered wood products and applications.

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Support


APA Help Desk

Answers to your questions about engineered wood products and systems. Call 253-620-7400 or contact us online.

APA Field Services

Assisting designers, specifiers, builders and APA members throughout North America. Contact your local representative.

APA Professional Associates

A forum for the exchange of information and ideas for design and engineering professionals. Learn more or visit our blog.

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