Base metal: PPGI,prepainted steel panel Content of composite panels: Foam or Rock wool Appliance: Wall panel and roof panel Type of wall panel: one-side iron with foam;bottom with silver paper foam composite steel panel;bottom with film foam composite steel panel;jack type composite steel composite panel etc. Type of roof panel: PVC and both sides iron panel;rock wool roof panel has buckle-style panle. Thickness of foam: 5,7.5,10 cm Weight of foam: 7,8,12 kgs Thickness of rock wool: 5,7.5,10 cm Weight of rock wool: 7,8,12 kgs The colors,patterns,thickness of steel panel,measures are all designed by customer's request. We also produce composite steel panels as customer's design.