Technowood by Viro, commonly referred to as oriented strand board, is recommended as the subroof underlayment when installing Virothatch and Viroreed. Technowood by Viro, makes efficient use of unusable small diameter Aspen logs, a natural and abundant resource. By using these logs, we reduce our dependency on mature growth forests.

This product also meets APA Performance standard structural test and engineered to perform in applications that require superior cross-panel strength, racking strength or shear resistance.

Technowood

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Technowood by Viro
Technowood by Viro
Technowood by Viro