Would unpainted metal include metal coated with metallic alloys?
(Copper, coated copper, zinc-coated, tin coated, stainless and stainless coated) Answer: Yes, unpainted metals include pure metals (copper, tin) and alloys. All the above materials have been used as roofing materials. Typically, unpainted AZ55 Galvalume Plus is used for low slope roofing and prepainted AZ50 Galvalume and galvanized are used for steep slope roofing.