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Galvalume metal roofing and siding are coated with a zinc-aluminum mixture and a siliconized coating that resists abrasion and fingerprints better than bare metal products. A mixture of zinc and aluminum protects galvalume metal from corrosion and rust, making galvalume usually last much longer than galvanized steel. Galvalume also comes with a 25-year warranty which is not available with galvanized steel.
It is important to understand that galvalume metal will begin to rust and corrode over time. It ages naturally to form a unique metal. The more unpainted metal is exposed to the elements, the more resilient it will be. Galvalume roofs are extremely durable, outlasting asphalt roofs for several years.
Shandong Ruitong New Materials Co., Ltd. is a leading supplier of steel and other metal products in China. As an ISO9001:2015 certified company, our products comply with ASTM, AISI, BS, DIN, JIS and other standards.
