We are offering aluminum foil heat insulation characteristics: 1.no odor and toxicity, environmentally- friendly; 2.light, soft, dust free, fire retardant, easy to install; 3.heat reflection, heat insulation, sound insulation, anti-radiation, anti-vibration, and shielding; 4.moisture barrier, sun-proof, waterproof, good sealing property, heat preservation, energy saving… 5.summer: moisture barrier, sun-proof, heat insulation, saving energy consumed by cool air conditioning ; 6.winder: heat preservation, central heating saving, and remarkable energy-saving effect. usage: 1. Roof, wall, floor; 2. Shells of air conditioner and water heater; 3. Protective coatings of water pipe and ventilating pipe.