CertainTeed fiberglass batt insulation is easy to install and useful for controlling temperatures, acoustics, and lowering energy costs. It is proven fiberglass technology made with renewable, recycled, and plant based ingredients, with no added formaldehyde, harsh acrylics, dyes or unnecessary fire retardant chemicals.
Sustainable Insulation: R-Value R8 – R40
Width 14.75″ or 24″
Thickness 2.75″ – 12.0″