Rockwool Mineral Wool CavityRock 16" x 48" (All Sizes) Thickness:3 in Johns Manville R-38 Kraft-Faced Fiberglass

Johns Manville R-38 Kraft-Faced Fiberglass Insulation Batt is an ideal alternative to extend the wall life

Limited lifetime warranty maintains 90% of R-value and covers all ASTM C578 properties

Installing a radiant barrier may be the lowest-cost improvement that can produce the greatest overall reduction in energy usage and expense

5" x 23" x 93" 237

Rockwool Mineral Wool CavityRock 16" x 48" (All Sizes) Thickness:3 in Johns Manville R-38 Kraft-Faced FiberglassROXUL CAVITYROCK MD and CAVITYROCK DD are high density semi rigid board insulation products designed for external cavity wall and rainscreen applications. This board insulation combined with the COMFORTBATT thermal batt insulation in the exterior wall stud cavity offers superior long term thermal efficiency, fire resistance, moisture control, and acoustic performance. Thickness Sq Ft Per Pallet R Value 1" 2048 Sq Ft R4. 2 2" 1024 Sq Ft R8. 4 2. 5"