

Common zinc borate OSB Questions
What is zinc borate treated OSB?
Zinc borate treated OSB is oriented strand board protected from termites, fungal decay, and moisture with zinc borate.
How are the panels treated?
The zinc borate is mixed into the strands before pressing, so it spreads throughout the board, not just on the surface.
When should I choose zinc borate OSB?
In many cases, zinc borate OSB can replace pressure treated plywood at a lower cost without reducing quality or performance. Zinc borate OSB should be considered when building in a climate prone to mold, fungal decay and termite damage.
What zinc borate OSB products and sizes do we offer?
All T-STRAND OSB panels manufactured at our Athabasca mill can be made with zinc borate protection. Learn more about T-STRAND OSB Products.
Learn More About
Contact the T-STRAND OSB sales team to learn more about zinc borate treated OSB.
APA certification of zinc borate treated T-STRAND OSB
T-STRAND OSB with ZB conforms with AWPA Use Category 1 (UC1) and Category 2 (UC2).
APA Product Report PR-N216 confirms that ZB treated T-STRAND OSB meets the performance requirements of PS 2.