FUNCTION: SOUND AND HEAT/THERMAL INSULATION EPE foam foil insulation: Structure: Al/XPE foam/Al Size:1.2*40m,can be customized ... Usage:building,WALL, ROOF, WAREHOUSE AND FLATEPE foam foil insulation: This item consists of PET / AL / EPE etc ... center air-conditioner, refrigerator and other home appliances3. Heat insulation, sound absorption and noise reduction for car, train, refrigerator ...