How Long Does a Metal Roof Last

Whether you're building a new house or simply replacing your current roof, there are a variety of materials to choose from. Metal roofs may be a beautiful choice for any roof style because of their longevity, low upkeep, and energy efficiency. The seven most commonly used welded stainless steel plates are galvalume, galvanized, weathering, aluminum, copper, zinc, and tin. Vertical seam construction is the most common method for producing welded stainless steel panels.

Granular coated panels are a type of product. Exterior shingles, slate, tile, shakes, or vertical panels are just a few of the different styles available. Install a wind mitigation system like a ridge vent, snow skirt, or blowing barrier if your metal roofing product does not meet the highest requirements for wind, fire, and impact resistance. Please keep in mind that installation will differ based on geographical location, manufacturer recommendations, and local building code standards.

Brown corrugated metal profile roof installed on a modern house, How Long Does a Metal Roof Last

Advantages of metal roofs

This is one amazing metal roof.

Many advantages can be gained from installing a metal roof, including::

  • Longevity. Depending on the material, roofing tiles can last anywhere from 40 to 70 years. Asphalt shingles, on the other hand, have a lifespan of only 10-20 years.
  • Durability. Some metal roofs can withstand winds up to 140 miles per hour, do not corrode or fracture, and are impact-resistant (depending on the product you choose). Metal roofs are also less expensive to maintain than other types of roofs. Metal roofs do not require the same level of maintenance as other roofing materials. However, they should be examined regularly to ensure that no repairs are required.
  • Safety. During a wildfire or a lightning strike, rain-sensing gutter systems will turn on their sprinklers to protect your home and keep it dry. If you live in an area where thunderstorms are common, the water pressure might be too strong for some roofs. In that case, you'll need a different design of the solar panel array.
  • Energy efficiency. Solar reflectors also block heat from the sun. Solar reflectors lower cooling expenses by 10-25 percent by reflecting sunlight that produces radiant heat on roof surfaces, as well as infrared and UV light rays.
  • Environmentally friendly. Custom-made metal roofs are very sustainable, and their materials can be recycled at the end of their life as a roof. Depending on the material employed, they might have 25-95 percent recycled content and be 100% recyclable. In contrast, the vast majority of shingle tear-off waste is incorporated into the building-related garbage stream - up to 20 billion pounds each year.

You might want to know: How Long Does a Roof Last

Disadvantages of metal roofs

close up view of house under construction with grey folding roof on waterproofing layer

Metal roofs have several benefits, but they also have several drawbacks.

  • Affordability. Roofing costs can vary significantly depending on the material. Metal roofs are often more expensive than other materials. While a metal roof will last much longer, investing in one is only rational if you plan to reside in your property long enough to realize the savings.
  • Noisiness. Depending on the type of decking used during installation, metal roofs may be noisier than other materials during heavy rain or hailstorm (spaced or solid). Adding more attic insulation might help, but doing so may increase your energy bills.
  • Expansion, contraction, and fasteners. Large panels made of thermal-architectural thermopane that expand and contract as they warm and chill are used on a thermal tile roof. Both exposed and hidden fasteners, on the other hand, have varying lifespans. Neoprene washers and screws used during installation may deteriorate and come loose with time in certain conditions.
  • Inconsistency of color match. It may be difficult to locate a similar option for the existing metal if something is damaged or a home extension is added many years later.
  • Performance. If water builds up on the roof as a result of poor-quality installation or repair, it can eventually cause significant damage. Low-quality metals might be thinner and less robust. When it comes to hail, certain metals rust in particular climates or dent more easily than others during installation.

How often do metal roofs need to be replaced?

a professional master (roofer) with electric screwdriver covers repairs the roof

This depends on the type of material used to build your roof, how it has been treated during its lifetime, and its exposure to the elements.

Most metal tiles are designed for a lifespan of about 40-70 years, but this can vary depending on factors like weather conditions and proper maintenance. In some cases, though, tile roofs have lasted for more than 100 years.

Most metal roofs need to be replaced every 20-30 years, but this varies depending on the material used and how well it has been maintained.

In general, a metal roof will last much longer than other types of roofs. Metal roofs are durable, non-corrosive, and impact-resistant. They also require less maintenance than other roofing materials. However, they should be examined regularly to ensure that no repairs are required. Additionally, metal roofs are not as affordable as some other types of roofs. They are also noisier during rainfall or hailstorm than other roofing materials. Finally, the color of a metal roof may not match the existing metal if something is damaged or an extension is added in the future.

So, while metal roofs come with a few disadvantages, they also have many benefits that make them a viable option for your home. If you are looking for a roof that will last for many years and require little maintenance, a metal roof may be the best choice for you.

Read more: How Long Does a Corrugated Metal Roof Last

Does a metal roof lower your insurance?

Close-up aerial view of building attic rooms exterior on metal shingle roof, stucco walls and plastic windows.

This will depend on your insurance company and the specific policy that you have. Some companies offer discounts for homeowners who have a metal roof installed on their home, while others do not. It is important to review your policy to see if you are eligible for a discount.

In conclusion, metal roofs are a viable option for your home. They are durable, require little maintenance, and come in a variety of colors to match your existing roof or home extension. However, they are more expensive than other types of roofs and may be noisier during rainfall or hailstorm. Additionally, it is important to examine your policy to see if you are eligible for a discount with your insurance company.

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