Pressure-treated wood is wood that has been treated with preservatives. This protects wood from insects and decay and is ideal for projects where wood is exposed to the elements or excessive moisture. Wood preservatives are registered with the Environmental Protection Agency for their safe use.

Pressure-treated softwood lumber includes Southern Pine, Ponderosa Pine, Douglas fir and Hem-fir. Learn more:

Southern Forest Products Association: Pressure-Treated Southern Pine

Western Wood Preservers Institute: Wood Use Categories Infographic

Western Wood Products Association:

Treated Products: Douglas Fir

Treated Products: Hem Fir

Treated Products: Ponderosa Pine 

Building Tips for Pressure-Treated Wood Video Series

 

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