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    Structural plywood and oriented strand board (OSB) are exempt from EPA regs APA Safety and Health Awards Resilient Wood Frame Construction Earn free CEUs with APA Webinars, ICC and AIA approved 10 benefits of wood structural panel wall sheathing

    Recent Publications

    11.21.19 Subfloor Preparation to Receive Finish Flooring

    10.31.19 Product Advisory: Performance of Flexible Structural Sheathing

    7.24.19 Case Study: Mass Timber Has Banks Seeing Green

    6.27.19 Case Study: Beauty and the Budget

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    APA NEWS

    11.20.19 APA honors Mike Dawson as 2019 Bronson J. Lewis Award recipient

    11.8.19 APA Updates Product Advisory

    10.8.19 New Trustee Joins APA Board

    8.27.19 APA member products exempt as U.S. EPA amends formaldehyde rule

    EDUCATION & EVENTS

    APA Webinars
    Upcoming and recorded webinars, including opportunities to earn CEUs.

    "Back to Basics" Engineered Wood Products Training
    On-demand training on specifying, handling, storing, and applications of EWPs.

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    Browse upcoming seminars, webinars, conferences, symposiums, and meetings.

    Codes & StandardsSee All >

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

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    APA HELP DESK

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    Call 253.620.7400 or contact us online.

    ABOUT APA

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    FEATURED SITES

    Performance Panels GO >
    Non-construction applications of engineered wood panels, with detailed product information and manufacturer directory.

    Wood University GO >
    Wood University courses are constructed to give you the knowledge you need to better specify, utilize, or sell engineered wood products.

    APACAD.orgGO >
    More than 250 free CAD details for wood-frame construction. Detalles están disponibles en español.

    Technical Research & SPECIAL PROJECTS SEE ALL >

    Research / Force Transfer Around OpeningsGO >
    Force distribution shear wall openings

    Research / Wood Structural Panel & Foam InsulationGO >
    Evaluation of performance under code requirements

    Research / Creep Performance for Structural Insulated PanelsGO >
    A preliminary study

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