APA - The Engineered Wood Association

  • APA System Report SR-103 outlines recommendations for energy-efficient raised-heel trusses.
  • Help Desk SB: Ask the APA Help Desk - The APA Help Desk is a free service that provides answers to your questions about the specifications and applications of engineered wood products and systems.
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New Publications

  • 03.27.14 APA System Report: Use of Wood Structural Panels for Energy-Heel Trusses
    This APA System Report outlines an efficient, cost-effective construction solution for meeting the lateral and wind uplift load requirements of the IRC using wood structural panels with raised-heel, or energy-heel, trusses. Issued March 2014.
  • 03.23.14 ANSI/APA PRP 210-2014 Standard for Performance-Rated Engineered Wood Siding
    American National Standard provides requirements & test methods for qualification & quality assurance for performance-rated engineered wood siding, a veneer-based, structural-use product. ANSI/APA PRP 210-2008 also available. Updated March 2014.
  • 03.13.14 Case Study: Placer River Trail Bridge
    With its graceful glulam beams and elegant symmetry, the Whistle Stop pedestrian bridge, the longest clear-span glulam timber truss bridge in North America, fits well within the picturesque setting of a remote Alaskan forest. Issued March 2014.

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