Barrier DD24025 Reflective Air ² Insulation features two layers of covered air which are laminated between two layers of undestroyable reflecting polyethylene. This Reflective Air ² the ability to retain its air longer and provides fantabulous insulation and say reduction. Reflective Air ² ASTM standards and complies with Building Code. The insulation roll is to install because there is no mess or fumes and will not cause restless skin. Barrier 's Reflective Air ² Insulation is model for : attic spaces, outside and Interior walls, Interior masonry walls, refulgent floors, metal and steel buildings, knee walls, crawl spaces, garage ceilings and more past applications where insulation is needed. This insulation roll is 25-feet age, 24-inches middle school and 5/16-inch. Barrier 's reflecting insulation products are one of the most skilled and energy effective insulation products usable. refulgent -LRB- reflecting -RRB- barriers are in attics, walls, roof decking, and flooring. Most newly constructed homes refulgent barrier insulation because of the well-tried effectiveness to decrease energy usage and cost by reducing summer heat gain and winter heat loss. Installing a refulgent barrier may be the lowest-cost that can produce the greatest boilers suit reduction in energy usage and expense.