competitivle price XPS sandwich wall panel 1, light weight, high strength, 2 flat surface and high ... roof, steel roofing insulation, etc., and the insulation effect is more remarkable2,Exterior wall insulation:3,Insulation,heat insulation,waterproofing4,Ground floor insulation:5,Cold storage building ... ,such as deformed and sparkling.Avoid the direct sunlight exposure for a long time.