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 method .
Two sides of color steel ,the thickness of steel can do as your order,the thickness of PU sandwich is 30mm,40mm,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"