... widely used in house,freezing house,clean room,garage door,roof ,wall,antifire,sound abosrbing etc,with good performance on ... square meters every day.Our PU panels have acquired "Chinese Green Environmental Protection Product" Title.Two sides of color steelor aluminum ... is 950mm.Feature:Good -quality color steel or aluminum foil board,filled with high-density polyurethane (The density can reach 42kg ...