It was corrugated iron, and was very common, it's not polished and looks matte, but still when the sun hits at the right angle it reflects. It has to be painted

It was corrugated iron, and was very common, it's not polished and looks matte, but still when the sun hits at the right angle it reflects. It has to be painted now. https://en.wikipedia.org/wiki/Corrugated_galvanised_iron https://en.wikipedia.org/wiki/Corrugated_galvanised_iron