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    Basics of Construction ANSI 405-2023 Standard for Adhesives for Use in Structural Glued Laminated TimberANSI PRS 610.1-2023 Standard for Performance-Rated Structural Insulated Panels in Wall Applications How to Specify Engineered Wood Webinar Shear Wall Selection for Wood-Framed Buildings Webinar

    Recent Publications

    3.7.23 Technical Topic: Plywood Floors for Residential Garages

    2.8.23 APA Wall Bracing Calculator Quick Start Guide

    2.7.23 Technical Topic: Multiple Small-Diameter Holes for Electrical Cables

    1.24.23 ANSI 405-2023: Standard for Adhesives for Use in Structural Glued Laminated Tımber

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    APA NEWS

    10.25.22 APA Names New Chair and Vice Chair, Trustees Join APA Board

    10.19.22 APA Honors Tony Vuksich as 2022 Bronson J. Lewis Award Recipient

    7.19.22 2021 APA Safety and Health Award Winners Announced

    EDUCATION & EVENTS

    Wall Bracing Webinar Series
    Satisfying the wall bracing requirements of the 2018 IRC.

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

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    On-demand training on specifying, handling, storing, and applications of EWPs.

    Codes & StandardsSee All >

    ANSI Standard Development
    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

    The APA Product Support Help Desk can answer your questions about engineered wood products, systems and applications.

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    APA REGIONAL REPRESENTATIVES

    Get help from your local APA Engineered Wood Specialist, offering free consultations for construction professionals.

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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.

    FEATURED RESOURCE

    Free CAD DetailsGO >
    Nearly 200 free CAD details for wood-frame construction. Available for download as DWG, RVT or PDF files.

    Technical Research & SPECIAL PROJECTS SEE ALL >

    Evaluation of Fire-Retardant Treated Structural Glued Laminated Timber GO >

    Field Moisture Performance of Wood-Framed Walls with Exterior Insulation in a Cold Climate GO >

    Hygrothermal Modeling of Wall Drying after Water Injection GO >

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