ROCKWOOL® RXCB3523 COMFORTBATT R15 3.5 in. X 23 in. X 47 in. (60.06 SQFT)

ROCKWOOL Comfortbatt is a stone wool thermal batt insulation for exterior wood and steel studs. It's designed for exterior wall cavities, exposed floors, basements/crawlspaces and attic applications. Comfortbatt features a unique flexible edge that allows for easy installation and helps prevent over compression to maintain its R-value, and is an effective way to improve a home’s energy efficiency. Comfortbatt is noncombustible and fire resistant, and provides water and moisture resistance.