Galvanized corrugated sheets (GC sheets) : The most basic of the steel roofing sheets is the galvanized corrugated sheets. These sheets are created using steel as the base and a layer of Zinc is created above the inner steel layer which gives an added protection to the steel.
“Roof and wall cladding GI sheets” refers to using galvanized iron (GI) sheets as a material to cover and protect both the roof and walls of a building,