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    Recent Publications

    3.1.19 PRR-401 Performance Standard for APA Rim Boards

    2.7.19 Effect of Large Diameter Horizontal Holes on the Bending and Shear Properties of Glulam

    1.29.19 Effect of Large Diameter Horizontal Holes on the Bending and Shear Properties of LVL

    1.18.19 ANSI/APA PRP 210-2019: Standard for Performance Rated Engineered Wood Siding

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    APA NEWS

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    APA Lab Expansion

    11.30.18 APA Releases Updated Wall Bracing Calculator

    11.5.18 APA's 13th Annual Bronson J. Lewis Award Honors Mary Jo Nyblad

    9.21.18 A Wood Building At Home on Its Site: First Tech Federal Credit Union Finds Mass Timber Affordable Choice

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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.

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    More than 250 free CAD details for wood-frame construction. Detalles ahora 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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