Galvalume Metal Çatı Nedir? Kaplama, Kullanım Ömrü ve Nerede Kullanılabilir?
Galvalume metal roofing explained for buyers: the 55% aluminum-zinc coating (AZ-50 vs AZ-55), corrosion resistance 2-4x galvanized steel, lifespan, cost, oil canning, and the environments where Galvalume should not be used.