The cost of ferrous metal roofing is lower than other materials. The main type of iron metal roof is corrugated galvanized iron. Sometimes, the iron panel surface is coated with a layer of steel to improve durability.
Stainless steel is probably the most commonly used metal roof. Compared with other roofing materials, steel is very strong but easy to corrode, so it is usually covered with special metal roof coatings and paints. The colors of stainless steel are various and suitable for family use.
The material is mainly made of steel that has been galvanized. This metal is more resistant to corrosion, a longer life and higher strength, but its cost is relatively high.