Metal roofing means lasting protection

Metal roofing picture

Metal roofing is sold on the American market with exposed or concealed fastener systems. A concealed fastener system typically costs more in terms of materials and installation charges. But, it's a more attractive, durable option. Roofing materials include galvanized steel, coated with corrosion-resistant zinc; Galvalume steel, coated with a corrosion-resistant aluminum alloy; stainless steel; copper; and terne, an alloy made of tin and steel. Copper is a common choice for consumers who love its patina and material strength. Aluminum comes with a paint finish and anodization, an electrolysis process that adds insulating qualities and protection.

All roof systems require underlayment, typically felt, to protect the structure from moisture during installation and to add insulation and weatherproofing. A metal roof costs more initially for materials and insulation than other options such as tile or wood, but it is more durable in the long term. Metal won't burn, crack, peel, warp, rot, or blow off under severe weather conditions.

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