When selecting corrugated galvanized iron sheets, understanding the various sizes available is crucial. The size you choose can significantly affect the overall structural integrity, aesthetic appeal, and cost of your project. CGI sheets are typically available in different widths, lengths, and thicknesses. Common widths range from 600 mm to 1,200 mm, while lengths can vary from 2,000 mm to 6,000 mm or more. The thickness of the sheets is also variable, usually measured in millimeters, with common thicknesses ranging from 0.3 mm to 1.5 mm.