Johns Manville R-15 TempControl Unfaced Mineral Wool Insulation Batts - All Sizes Select Your Delivery Zone:Zone 1 Full Body Standard harness style

Full Body Standard harness style for comprehensive coverage

Can I install Landmark shingles over existing shingles

With a coverage of approximately 33 square feet per bundle

but also energy-efficient

Is the insulation easy to install

Johns Manville R-15 TempControl Unfaced Mineral Wool Insulation Batts - All Sizes Select Your Delivery Zone:Zone 1 Full Body Standard harness styleZone States Zone 1 AL, CT, FL, GA, IL, LA, MA, MD, ME, NC, NH, OH, PA, SC, TN, VA Zone 2 IA, KS, MI, MN, MO, OK, TX, WI Zone 3 AR, CA, CO, MT, NM, NV, UT Size Sq Ft Bag Batts Bag R Value 3. 5 in x 15. 25 in x 47 in 35 7 R15 3. 5 in x 23 in x 47 in 52. 5 7 R15 Johns Manville Mineral Wool TempControl batts offer R Values up to R 30. Noncombustible, fire and moisture resistant, they are designed to deliver thermal control and delay the spread of fire in