... or floor, resist over 80% external heat resist thermal AL /fire-retardant double bubble/ AL AL/Bubble+Bubble/AL AL0.007mm ... .No odor and toxicity, environmentally- friendly; 2.Light, soft, dust free, fire retardant, easy to install; 3.Heat reflection, heat insulation, sound ... ; 3. Protective coatings of water pipe and ventilating pipe; AL /fire-retardant double bubble/ AL