John Manville 90003721 R19 15 in. x 39 ft. 2 in. Unfaced Roll

Make sure your home is comfortable all year long with Johns Manville International 90003721 R19 Unfaced Fiberglass Insulation. It gives you 48.96 sq ft coverage on a 6.5" x 15" x 39'2" roll. This Johns Manville fiberglass insulation is easy to apply. Plus, it works to keep the hot and cool air inside throughout the seasons. This Johns Manville insulation is simple to install in your walls, wood framing, crawl spaces and floors.