Learn everything you need to know about how to identify, specify and use preservative treated wood.

Explore the preservatives used today that extend the service life of wood from years to decades. Understand the AWPA Use Category system and how it is used to specify and select the proper treated wood products based on its exposure.

Review updated information on fire-retardant-treated wood products and see videos on making and using preserved wood products, as well as an overview of the environmental benefits of forests and wood products.

For using treated wood in aquatic environments, there are a variety of tools to manage the environmental risks associated with a variety of preservatives, as well as specifying the exclusive Best Management Practices for products using in sensitive environments.

Get practical tips and recommendations for all uses of treated wood products and see how these products provide many environmental benefits compared to alternatives such as plastic, steel and concrete.

Put everything you need to know about treated wood at your fingertips with the Treated Wood Guide app!

What’s New

Version 1.0.10

Update, bug fixes

Ratings and Reviews

3.0 out of 5
2 Ratings

2 Ratings

By Engineer ,

Very Useful App

This was a great tool for quickly accessing information on use of preserved wood in and over water as well as links to tools for evaluating the environmental risks. I did't realize there was so much information available.

BB55 ,

Informative app for treated wood

This is the only app I found that had information on all treated wood products. Hard to believe some reviews when they can't even spell correctly!

Architect2go ,

Great app

About time someone made finding the right treated wood easier. I have used this for many different jobs and it has always been right.

App Privacy

The developer, Western Wood Preservers Institute, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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