Johns Manville Fiberglass Insulation R-24 14.75" x 47" x 5.5"; 38.52 sq.ft

14.75-inch x 47-inch x 5.5-inch; 38.52 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.