... gauge steel keel(all marked easy to erect),tile,gutter,wall panel,floor,window,door,sanitary,kitchen...and full set ... 70(Q550 GALVANIZED) (♣)MAINTENANCE EXTERNAL WALL27mmPU EMBOSSED STEEL PANEL+HOUSE WRAP+12mmOSB BOARD+150mm INSULATION GLASS WOOL+12mm WATERPROOF ... different design according to customer's requirements,different wall panel in different colors,different insulation,different size of light ...