Galvanized Metal Roof Lifespan

The most common metal roof material we see in this area is galvalume which is a steel sheet with an electrolytically applied coating of a combination of zinc and aluminum to extend the lifespan.

Galvanized metal roof lifespan. The expected lifespan of a metal roof is 30 to 50 years in florida with an average of 40 years. Materials used in corrugated metal roofing corrugated metal roofing is normally made from metals such as stainless steel copper zinc and aluminium. Unpainted g 90 galvanized steel is typically warranted against corrosion for 20 years under normal conditions. This is especially true when you invest in a metal roof engineered from galvanized steel.

Metal roofing runs the gamut of price and quality starting around 115 per square for standing seam panels in aluminum or steel. While other roofing materials typically need replacement every 10 to 20 years properly installed steel roofs should last as long as you own your home. When the base materials oxidize they create a protective patina. The metal roofing alliance recommends g 90 galvanized steel for roofing which has 90 ounces of zinc per square foot.

Metal roofs are attractive durable and can last up to 70 years.