R19, 40 SQFT Coverage, Cellulose Insulation, Fills Gaps While Creating A Blanket Of Thermal Insulation, Fast & Easy To Apply, Installs Over Existing Insulation, No Cutting Or Fitting Needed, Reduces Noise & Provides Energy Efficiency, Environmentally Friendly Product, Formaldehyde Free & Made From 85% Recycled Materials, Class 1/A Fire Rated.