How Long Does a Metal Roof Last?

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Are you in need of a new roof? If so, why not consider a metal roof. Metal roofs have become highly popular over the years. Along with the longer life expectancy of a metal roof, there are numerous benefits to installing this type of roofing material on your home.

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Made in sheet or tile form, metal roofs come in a variety of styles and colours. The aesthetically pleasing metal roof is made of 100% recycled materials and, when removed is 100% recyclable so they are far more eco-friendly than standard roofs. Today, over 15% of homes in Toronto have metal roofs. As their popularity continues to grow, more homeowners are choosing this type of roofing material over other options.

The lifespan of a metal roof is much longer than other roof types. A properly installed metal roof can last between 40 to over 200 years depending on the type of metal used.

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Metal roofing panels are not only cost effective, but they are better temperature regulators so you will save on your energy bills. During your metal roof’s longevity, your home will be more protected from natural and unnatural elements like insects, rodents wind, rain, hail, fire and other unsavoury elements.

Metal roofs are more complex to install so only a professional roofing company with experience in metal roof installation should be hired. Metal roofs can also be installed over your existing roof so there is less work or debris involved in removing your old roof first. At Dream Roof, our roofing specialists can examine your existing roof and make recommendations on the best roof installation method for your home.

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Lifespan of a metal roof is longer so you will only have to install a new roof once during your home ownership compared to other roofing types. At Dream Roof, we can answer all your questions so you will pick the right metal roofing type for your home.

How Long Does a Standing Seam Metal Roof Last?

metal roof from above

Standing seam metal roofs are highly efficient and durable roofs that are installed by locking the panels together onto the housetop. When installed properly, a standing seam metal roof lifespan is over 50 years.

How Long Does a Screw Down Panel Metal Roof Last?

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A screw down metal roof’s life expectancy is the shortest of all metal roof types because the panels are not painted with the industry standard, rust-resistant finish for maximum protection. Depending on the type of metal and paint used on the panels, the lifespan of this metal roof is between 20 to 30 years.

Factors That Affect the Lifespan of Your Metal Roof

Sun windows installed in new steel roof

When answering how long does a metal roof last, there are a few factors that can affect the life expectancy of a metal roof. First, the type of metal you choose and how it is installed affects the lifespan of your metal roof.

Metal roof panels are painted with a Kynar 500 finish to protect the metal from elements that could cause rust and erosion. Scratching or damaging the paint on your panels can also affect the metal roof’s lifespan because if the metal is exposed to moisture or heat, it will rust more quickly. To prevent this from happening, you should only hire an expert roofer to install and maintain your metal roof panels.

Was the Painted Finish on the Metal Roof Panels Protected During Installation

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If the painted finish on your metal roof panels was not protected during installation, any scratches, dents, and markings can expose the metal material underneath to moisture. This can cause premature rusting of your metal panels and affect the lifespan of your metal roof.

What Weather Conditions Will Your Metal Roof be Exposed to?

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Depending on the type of metal you choose, some weather conditions can affect the life expectancy of your metal roof. Any weather system that causes moisture like rain, snow, sleet and humidity will rust metal. Hail can damage certain types of metal roofs more easily than other metal types. Sun exposure and heat can also cause corrosion and impact your metal roof’s lifespan.

Do You Get Annual Maintenance for Your Metal Roof?

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While metal roofs require far less maintenance than other roofing materials, there are some things that you should look for annually to ensure your roof lasts as long as possible. Tree branches, leaves and other debris can scratch your roof and cause premature rusting to exposed areas.

Extreme weather like severe storms can cause the seams to separate and other damage so it is advisable to contact us a Dream Roof so we can make sure your roof panels are still intact. We will do a thorough inspection to make sure there is no damage that will adversely impact your metal roof’s life expectancy.


How Long Will a Galvanized Metal Roof Last?

Galvanized steel roofs are created by combining steel with a soft layer of zinc and other types of steel to increase the steel metal roof’s longevity. A properly installed galvanized metal roof will last between 30 to 50 years.

How Long Will a Copper Roof Last?

A copper roof requires minimal maintenance and is the most weather resistant. A well installed copper metal roof’s life expectancy is over 200 years.

How Long Does a Tin Roof Last?

Tin is the oldest type of metal roof. Today’s tin metal roof’s lifespan ranges between 50 to 75 years.

How Long Does a Corrugated Iron Roof Last?

Corrugated iron is one of the cheapest and easiest metal roofs to install. A corrugated iron metal roof’s life expectancy is 60 years.

How Long do Zinc Metal Roofs Last?

Zinc is a popular metal because it naturally resists weather so it is not prone to developing rust. When installed properly, your beautiful zinc metal roof’s life expectancy is over 80 years.

At Dream Roof, we are experts in all areas of roof installation and maintenance services. Our experts will help you choose the right roof for your home. Call us today for your free estimate.