Johns Manville Sound & Fire Block Fiberglass Insulation 16" x 48" x 3"; 49.7 sq.ft
16-inch x 48-inch x 3-inch; 49.7 sq.ft
Sound & Fire Block® mineral wool insulation helps delay the spread of fire between interior floors and rooms. Made from high-density, noncombustible materials and designed for maximum sound absorption, it also reduces noise transfer between interior walls, ceilings and floors.
- Interior walls