XPS sandwich wall panel 1,light weight, high strength 2,flat surface and high performance XPS sandwich wall panelsimple introduction: ... width),1200mm~2400mm(longth),20mm~100mm(thickness)Features:1, light weight, high strength, flat surface , with installation ... and the insulation effect is more remarkable2,Exterior wall insulation:3,Insulation,heat insulation,waterproofing4,Ground floor insulation ...