ROCKWOOL Comfortbatt R-22.5 Stone Wool Insulation for 2x6 Steel Stud, 43.3-ft²

Optimize heat retention in your home with this ROCKWOOL Comfortbatt insulation. Its water-resistant design inhibits the growth of mould, mildew and fungi. As a vapour retarder, it helps your construction project meet most building code requirements for a vapour-control layer. With a maximum R-value of 22.5, its sound-absorbing property lets you minimize noise transfer between walls. It features flexible edges to facilitate gap-free and void-free coverage. Engineered from natural and recycled materials, this non-corrosive, chemically inert, ROCKWOOL thermal insulation snugly fits within the cavities of your walls and crawl spaces without losing its form. The material is noncombustible and can serve as good passive fire protection. Certified safe for indoor use by GREENGUARD, this CFC- and HCFC-free insulation presents minimal impact to the air quality in your home. The 6-in thick, ROCKWOOL exterior wall insulation covers up to 43.3 sq. ft. of space and measures 16 1/4 in W x 48 in L.