Johns Manville Fiberglass Insulation R-31 24″ x 48″ x 9.5″; 64 sq.ft
24-inch x 48-inch x 9.5-inch; 64 sq.ft
Johns Manville Formaldehyde-free™ fiberglass insulation provides thermal and accoustical control for both vertical and horizontal applications. Fiberglass insulation is available in a wide range of thermal resistance R-values and is available unfaced or with a variety of facings, including kraft or foil.