How Long Will A Galvanized Metal Roof Last

It is an entire system made up of clips and framing members that all impact how long the roof will last.
How long will a galvanized metal roof last. Corrugated metal roofs can typically last much longer than a traditional asphalt shingles roof. 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. A properly installed metal roof typically will last as long as the house with an expected lifespan of 40 to 70 years and often a 30 to 50 year manufacturer s warranty to boot. A metal roof is more than a series of steel panels.
Roof clips securely hold the roof panels to the structural members but leave enough wiggle room for the panels to move with the expansion and contraction caused by the temperature. Metal roofs are attractive durable and can last up to 70 years. Metal roofs can be noisy especially during a heavy rain or hailstorm. Galvanized steel and galvalume offer excellent value cost over their service lifespan.
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. Metal roofs can be as much as two or three times more expensive than other roofing materials. 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. Unlike other roofing materials such as asphalt with kynar 500 steel roofing there is no need for ongoing maintenance to ensure best long term appearance durability and longevity.
Measurements of the actual consumption rate of the. Closing thoughts on steel roofing. The corrosion resistance of hot dip galvanizing varies according to its surroundings but generally corrodes at a rate of 1 30 of bare steel in the same environment. Galvanized steel which is created by using a soft layer of zinc to protect the inner layers is the most common type of steel roofing.
Long lasting corrosion resistant and recyclable zinc is a softer metal and can be damaged by hail or extreme weather. Hot dip galvanizing hdg is often used to protect steel from corrosion in some of the harshest environments imaginable yet it provides maintenance free longevity for decades. Corrugated and ribbed metal panels are made of metal sheets normally g 60 or g 90 better galvanized steel but can also be aluminum and stainless steel sheets that are shaped into ridges or waves. While the life of a metal roof is much longer investing in a metal roof only makes sense if you plan to stay in your home long enough to enjoy the cost benefits.