... Prepainted Galvanized Steel Sheet in CoilPPGI / PPGL:1.BASE MATAL:galvanized steel sheet,AL-ZN coated steel sheet2.THICKNESS: ... Construction Outside: Workshop, agriculture warehouse, residential precast unit, corrugated roof, wall, rainwater drainage pipe, terrace, retailer ... booth, roller shutter door Inside: Door, doorcase, light steel roof structure, folding screen, ceiling, elevator, stairway, ...