... be installed on roof, wall or floor, resist over 80% external heat resist thermal shock Double Bubble Insulation materialAL/Bubble+Bubble ... , dust free, fire retardant, easy to install; 3.Heat reflection, heat insulation, sound insulation, anti-radiation, anti-vibration, and ... barrier, sun-proof, waterproof, good sealing property, heat preservation, energy saving… 5.Summer: moisture barrier, sun-proof ...