Building knowledge and connections

Western Wood Preservers Institute

Address:
12503 SE Mill Plain Blvd., Suite 205
Vancouver, WA 98682
USA
Phone: 360-693-9958
  • In applications where wood may be exposed to moisture, insects or fungal organisms, preservative-treated wood can ensure a project’s durability. This course reviews: the manufacturing process for pressure-treated wood; types of preservative treatments and the required levels of retention as dictated by the end-use application, desired service life and exposure conditions; American Wood Protection Association (AWPA) Use Category standards; current issues concerning preserved wood in residential and commercial construction; and Best Management Practices (BMPs) for aquatic uses.

  • For some applications, building codes provide for the use of fire-retardant-treated (FR) wood products as an alternative to noncombustible materials. To ensure that FR wood products are properly specified, it is important to understand how these products are made, their formulations, and the building code references that guide their use in construction. This course offers a review of FR wood products, including their manufacture, the applications and types of fire retardants that are available, and the factors that must be considered to ensure FR wood products are properly specified for code compliance.

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