... dimension 3.non-burn or hard-burn materials XPS board Extruded Polystyrene Foam Board,xps insulation boardPolystyrene xps board is a kind of new building material of ... 100NOTEThe dimension is adjustableApplications of XPS:Perimeter insulation, thermal insulation of flat roofs, floor insulation, exterior wall insulation, ceiling heat insulation, steep roof insulation, interior fitting, sandwich boards ...