... 1219mm/1220mm/1250mmZinc layer: z80g, z100g, z120g, z150g, z180g and so onApplication: ship plate, used to buildings, vehicles, ships ... circumferential bands in steel, galvanized metal fluted rings on inner and outer edges. Galvanized Metal & waterproof paper around circumfer.Supply ... with waterproof paper, Steel envelop, with 2 circumferential and at least 3 transversal steel straps!Color coated steel ...