Metal roofing sheets used in housing construction are mainly made of steel or aluminum. Copper, zinc and titanium are used in some typical architecture of the house
The roof sheet was initially produced in long, thin form, rolled into large rolls at steel mills. Then, they are coated with a metal coating to prevent rust, then use high-speed paint line and heat at high temperature. Painted steel coil is transported to a roofing sheet manufacturer, where it is shaped using a large press to press to form sheets with a specific shape such as corrugated or tile forms.
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