1. Energy Efficiency: Our attic door insulation cover works yearround, in hot summers and cold winters. It prevents air, dust, or pollutants from entering your home. 2. Radiation Barrier: Two outer layers of aluminum foil. Each foil layer is reinforced with a durable polyethylene layer for added strength. Reflects up to 97% of radiant heat, depending on application. vapor barrier for subfloors. Suitable for underfloor heating, crawl spaces, duct insulation, metal buildings, basement walls, and attics. 3. Reflective: Doublesided metallized aluminum barrier. reflective to bounce back radiant heat rather than absorb it. The bubblereinforced insulation barrier can be easily cut with a utility knife or scissors, allowing for hassle installation. 4. Bubble Reflective Foil Insulation: Saves energy by reducing the strain on heating and cooling systems, keeping your home warmer in winter and cooler in summer. It can significantly lower electricity bills yearround. Additionally, it provides soundproofing benefits when used in walls, ceilings, and floors.