Knot-free and stays flat over time with no cupping, splitting, or warping.

Provides greater dimensional stability than solid-sawn lumber and greater spanning capability than competitively priced composite materials.

Manufactured with a precise thickness across the board, resulting in stronger stairs at a better price.

Bull-nosed profile (square-edge available upon request on a custom order basis).

Meets the APA’s Sturd-I-Floor® grade, additional requirements set out in APA Series Guidelines for Stair Treads, and building code requirements including Product Standard PS 2-18.

Enhanced protection from the elements with our red end seal.

Tolko’s zinc borate treated OSB panels offer exceptional durability and protection against termites, fungal decay, and moisture. This treatment ensures the panels maintain their structural integrity in challenging conditions, making them a reliable choice for retailers and builders.

Zinc borate treated OSB panels can often replace pressure treated plywood, providing significant cost savings without sacrificing quality or performance.

Notes:

1. T-STRAND OSB with ZB conforms with AWPA Use Category 1 (UC1) and Category 2 (UC2).
2. APA Product Report PR-N216 confirms that ZB treated T-STRAND OSB meets the performance requirements of PS 2.