Enhance your building envelope with ROCKWOOL Comfortboard, a rigid stone wool insulation board that provides exceptional fire protection, energy efficiency, and versatility. Comfortboard enables the creation of safer, more comfortable buildings that resist moisture and reduce energy costs. It's engineered for use as exterior continuous insulation in both above-grade and below-grade exterior walls, under-slab applications, stucco assemblies, and pitched roofs.
Noncombustible and fire resistant: does not promote flame spread or smoke development in the case of a fire
High density fiber structure increases the acoustic performance of exterior walls
Vapor permeable and water resistant: allows management of moisture in an out of the wall assembly
Made from one of the world’s most abundant raw materials - stone wool is user friendly
R-21 Solution in the basement: when combined with 3.5-in Comfortbatt R-15
Easy and efficient installation, use a serrated knife to quickly cut around obstructions and penetrations
Inorganic, does not promote the growth of fungi, mold or mildew
High density insulation board use for exterior walls, basements, pitched roofs and under concrete slabs