Energy conservation,environmental protection,economical heat insulting,good structure,easy-doing construction.Wide range of profile options:smooth flat,micro-rib and embossing ect.Resulting high performance exterior walls integrated with other wall material,.Invisible screwing design and varied joint methodpolyurethane

Two sides of color steel ,the thickness of steel can do as your order,the thickness of PU sandwich is 50mm

Feature: Good -quality color steel or aluminum foil board,filled with high-density polyurethane (The density can reach 40kg/m3) .Fireproofing grade is GB class "B"