Get this R-1.2 Sound Barrier Sheathing delivered onsite. Designed to be applied directly to framing in indoor or outdoor applications. Made from an environmentally-friendly, homogeneous cellulose fiber composite material. Manufactured with uniformly distributed protection against termites, rot, fungi and moisture penetration. Designed to provide better insulation than wood. Helps with noise attenuation when installed as recommended. Energy star compliant. Easy to handle, cut and shape.