Johns Manville JM R-13 Unfaced Fiberglass Batt Insulation for 2x4 Walls, 15 in x 105 in, 120.31 sq ft

Johns Manville JM R-13 Unfaced Fiberglass Batt Insulation for 2x4 Walls, 15 in x 105 in, 120.31 sq ftR 13 Unfaced Fiberglass Batt Insulation (15 in x 105 in, 120. 31 sq ft) Johns Manville JM R 13 unfaced fiberglass batts are pre cut to fit standard 2x4 wood stud wall cavities for dependable thermal performance and sound control. The unfaced design (no vapor barrier) makes it easy to add to existing insulation where code allows. Key Features: Sized for 2x4 Wall Cavities: 15 in wide batts fit 16 in on center wood studs and standard 8 ft wall