Johns Manville Fiberglass Insulation R-14 23" x 47" x 3.5"; 90.08 sq.ft

23-inch x 47-inch x 3.5-inch; 90.08 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.