Johns Manville R-13 Kraft-Faced Fiberglass Roll Insulation, 40-sq ft Coverage, 15-in W x 32-ft L, Multi-Pack

Johns Manville R-13 Kraft-Faced Fiberglass Roll Insulation, 40-sq ft Coverage, 15-in W x 32-ft L, Multi-PackR 13 Kraft Faced Fiberglass Roll Insulation, 40 sq ft Johns Manville R 13 kraft faced fiberglass roll insulation is designed for 2x4 wood framed walls, delivering thermal performance with built in vapor retarder. Each 15 in by 32 ft roll covers 40 sq ft and helps improve energy efficiency and sound control. Key Features: Optimized for 2x4 Walls: 15 in width fits 16 in on center studs for fast installation Moisture Control: Kraft faced vapor retarder