... floor,resist over 80% external heat,protect wall building heat insulation material for roof Product Description: 1, This is a ... and toxicity, environmentally- friendly;Light, soft, dust free, fire retardant, easy to install;Heat reflection, heat insulation, ... anti-radiation, anti-vibration, and shielding;Moisture barrier, sun-proof, waterproof, good sealing property, heat preservation, energy saving. ...