... material. Made from aluminum foil and polyethy Heat insulation roof tile Aluminum foil /fire retardant bubble/Aluminum foil Features ... :NO Odor and toxicity, environmentally-friendly .Light, soft, dust free, fire retardant, easy to install. ... insulation, anti-radiation, anti-vibration, and shielding. Usage:Roof, wall, floor.Shells of air conditioner and water heater.Protective ...