Reflectix insulation has over a dozen money-saving applications for around the home. The list of uses includes crawl space, radiant floor, attic and walls, just to name a few. The product is easy to handle and install. All you need are scissors, a staple gun, safety goggles and a tape measure. Since our insulation is fiber free, no protective garments or respirators are required. Reflectix R-21 Attic Wall Unfaced Reflective Roll Insulation 50-sq ft (24-in W x 25-ft L) Individual Pack | BP24025