Insulation: Roxul ComfortBoard 80

Meets energy codes and provides fire resistance. Smart application to stop fire spread between units in multifamily buildings.


ROXUL ComfortBoard 80 is a rigid stone wool insulation sheathing board that is non-combustible, water repellent, fire resistant and sound absorbent. It is a non-structural insulation sheathing that provides a continuous layer of insulation around either the exterior or interior of the residential building envelope. Available at Lowe’s, Home Depot, and many lumberyards throughout the United States.

View install ComfortBoard 80 install videos here.