How Long Should A Steel Roof Last

Depending on what kind of paint is used on the steel or aluminum panels will determine what kind of warranty you get on a screw down metal roof system.

How long should a steel roof last.

Metal roofs such as aluminum or steel shingles can last for 50 years and often longer while copper and zinc roofs can often last well over 100 years. Metal roofs are attractive durable and can last up to 70 years. Standing seam is the most popular residential metal roofing system featuring concealed fasteners. Warranties vary widely but most companies back their products for 20 to 50 years.

This means that a typical metal roof will last about 3 7 times longer than a typical asphalt shingles roof which usually needs to replaced every 12 17 years. Compare that to about 23 years for an asphalt shingle roof and 20 years for a single ply roof. Properly installed a metal roof should last as long as the house sealing out water surviving high winds and easily shedding snow. If you re ready for a new roof but want something different than the standard asphalt shingle roof you re probably considering metal.

Properly installed metal roofs can last 30 40 even 50 years. Premium metals such as stainless steel titanium zinc and copper can last well over 100 years. Over time copper roofing develops a patina which indicates corrosion. With periodic maintenance you could possibly stretch it to 30 years.

So once you decide you want a metal roof you ll find yourself having to decide what kind of metal roof system you want. When installed correctly a typical standing seam metal roof will last anywhere from 30 to 50 years. 100 years the most. But this blue green layer is actually protective in a way that it waterproofs your roof further.

Traditional asphalt roofing materials have an estimated life expectancy of roughly 12 20 years. Metal roofing runs the gamut of price and quality starting around 115 per square for standing seam panels in aluminum or steel. Metal roofs can last 40 70 years depending on the material. A metal roof is typically warrantied for up to 40 years already a longer period than a similar traditional roof.

The metal construction association has found metal roofs that have been around for 60 years or more. Properly installed with no maintenance you could get 20 years out of your screw down panel roof.