Technowood by Viro


TECHNOWOOD BY VIRO, commonly referred to as oriented strand board (OSB board), is recommended as the subroof underlayment when installing Virothatch and Viroreed.

Go to Technical Product & Info to see the dimension and specification.





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.