This is especially true when you invest in a metal roof engineered from galvanized steel.
Lifespan galvanized metal roof.
Metal roofing runs the gamut of price and quality starting around 115 per square for standing seam panels in aluminum or steel.
The lifespan for unpainted galvanized roofing is 15 25 years depending on climate less where oceanic salt spray is common.
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.
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.
When the base materials oxidize they create a protective patina.
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.
This is the result of the zinc layer wearing away leaving the steel substrate exposed.
Unpainted galvalume has a lifespan up to 40 years.
The galvanized roof depending on climatic factors might show a light rust hue.