Corrugated roofing sheet is usually wavy profiled galvanized steel. Without paint , the total cost is lower than prepainted corrugated steel. Anyway, there is still profiled prepainted steel, called color coated steel too, for roofing, cladding and so on.
This kind of roofing sheet is popular with thinner gauge.
Thickness: 0.2-0.5mm
width: 900mm after corrugated is most popular
Length: customized.
Photos can help you have a clear understanding of what it looks like.
Contact us for more information or a quote.