... .Good quality and reasonable XPS-insulation boards, XPS plastic extruded board, Polyfoam XPS, Polyfoam extruded polystyrene, Polystyrene foam insulant, Polystyrene board, XPS ... requirement.Applications of XPS:Perimeter insulation, thermal insulation of flat roofs, floor insulation, exterior wall insulation, ceiling heat insulation, steep roof insulation, interior fitting, sandwich boards ...