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The online home for Western Wood Preservers Institute

Here's what's happening at WWPI:

JOB ANNOUNCEMENT! WWPI is seeking a new Executive Director to lead the Institute into the future. The new leader will represent the preservative- and fire-retardant-treated wood industry across western North America. Review the position announcement here. Applications accepted through Feb. 27. Online interviews scheduled in March, in-person interviews in early April. Board approval of candidate by late April, candidate starts on June 1.

MEMBERS ONLY! The Western treating industry travels to the Gem State in June for the 2026 Summer Meeting. The meeting will be held June 28-30 at the Grove Hotel in downtown Boise, Idaho. The three-day session features golf, committee meetings, social events and the Board of Directors meeting. For more details, see the Members Only section.

Check out the WWPI online eUniversity with courses on preserved wood and fire retardant wood which qualify for Continuing Education Units (CEUs). Both self-guided and narrated versions of each course are available.

Get guidance on the proper disposal of Treated Wood Waste (TWW) in California at a new WWPI website TWWDisposal.org, complete with links to a current list of landfills accepting TWW.

Watch how preserved wood is made and its many uses where durability and long service life is required.

MEMBERS ONLY! Review the exclusive Quality Control Education Section with training modules for in-plant quality control. The training materials can be used for individual training or for group sessions. See more details in the Members Only section.

Visit the Preserved Wood Online Tech Library for up to date information and recommendations.

See the online Environmental Assessment Model to assess potential impacts of using preserved wood in or above water.

Looking for preserved wood? Check out the Sources of Supply publication in the exclusive Preserved Wood Technical Library.

Catch up on current news on our Facebook and Pinterest pages.

Explore all things related to preserved wood utility poles on the WoodPoles.org website.

What we do

WWPI works on behalf of its members to increase public understanding and confidence in preserved wood products and secure reasonable and economic regulations regarding the production and use of these products. Guided by an active membership, the Institute's services are provided for the following product groups or issues:

The Institute is a non-profit organization supported through the financial contributions from three membership groups:

  • Treater Members - companies who operate facilities that pressure treat wood products
  • Associate Members - companies directly affiliated with the industry through supplying preservatives or engaged in major wood products production and wholesaling
  • Supporting Members - companies providing services or deriving benefits from the wood preserving industry

For more information on WWPI services and membership, please use the navigation bar at the top of this page to go to the respective section. To contact WWPI, please click on the Resources link and select Contact Us.

Members Only

Open only to Treater, Associate and Supporting Members. If you do not have a password, contact WWPI.

WWPI seeking new
Executive Director

Western Wood Preservers Institute is seeking an experienced, visionary leader to serve as its next Executive Director. The new leader will represent the preservative- and fire-retardant-treated wood industry across western North America, working to sustain and support the safe, environmentally responsible and innovative use of preserved wood products.

Applicants should submit a résumé and cover letter to jobs@wwpi.org. Applications accepted through Feb. 27. Online interviews scheduled in March, in-person interviews in early April. Board approval of candidate by late April, candidate starts on June 1.

>>Review the position announcement!



Wood questions? Get answers!

PreservedWood.org

App

Everything you need to know about Western preserved wood is just a click away with the new website PreservedWood.org.

Discover how wood is preserved by using pressure to infuse preservatives into the wood fiber. Explore the preservatives used today which are safe for people and the environment and offer durability and long-lasting performance. See the variety of ways preserved wood can be used in residential, commercial and industrial applications.

The website features an exclusive Preserved Wood Technical Library, offering an extensive collection of downloadable publications, technical sheets and design tools to properly select, specify and use Western preserved wood for almost any project.

>>Check out PreservedWood.org today!