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 75mm, 100mm, 120mm, 150mm, 180mm, 200mm.

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"