Global Use Classes

Click on the thumbnail above to view the use diagram in larger size. We thank the American Wood Protection Association for providing this image as illustrative of typical uses for preserved wood products in residential construction applications.

However, please understand that while there is an ISO Guideline on global applications for treated wood products (click here), there are many region-specific and country-specific approaches that vary within the general ISO guideline outline. In the information below links are provided to various regional or country specifications. We will continue to update this information as it becomes available.