... other common heat insulation materials. This new heat insulation material not only has good insulation, heat-reflection & insulation ... functions in housing construction (roof, wall, and floor). Material structureAL/bubble/ALBubble diameter and height2.5mm*10mm,4mm* ... toxicity, environmentally- friendly;2.Light, soft, dust free, fire retardant, easy to install;3.Heat reflection, heat insulation, sound ...