Owens Corning R-49 Unfaced Fiberglass Insulation Batts 14 in. x 16 in. x 48 in. (5 Bags)Product Description The Owens Corning R 49 Unfaced Fiberglass Insulation Batts are engineered to deliver superior thermal and acoustic performance for residential and commercial applications. These high quality batts are perfect for insulating roofs, ceilings, and both interior and exterior walls. Made from flexible fiberglass, they are easy to handle and install, fitting seamlessly into wood or metal framing cavities or between furring channels. With