Fiberglass Insulation Wool – R-40 – 11 4/5" x 16" x 48"

This pink fiberglass insulation wool delivers an R-40 thermal performance value for attic applications. Sized at 11 4/5 inches thick by 16 inches wide by 48 inches long, each batt fits standard rafter spacing and installs without special tools. The soft fiberglass composition allows the batt to conform to irregular cavities, ensuring consistent coverage with minimal gaps. Suitable for new construction and renovation projects, it helps reduce heat loss in both residential and light commercial applications. Coverage is 32 sq ft per package.