... , resist over 80% external heat resist thermal AL /fire-retardant double bubble/ AL AL/Bubble+Bubble/AL AL0.007mm/ ... toxicity, environmentally- friendly; 2.Light, soft, dust free, fire retardant, easy to install; 3.Heat reflection, heat insulation, sound ... proof, waterproof, good sealing property, heat preservation, energy saving… 5.Summer: moisture barrier, sun-proof, heat insulation, saving energy ...