Most standing seam metal roofs last between 50 and 80 years. Certain high-end metals like copper or zinc can last up to 100 years if well-maintained. For the best durability, choose a low-gauge (thick) roof in a metal that works with your climate. Some are susceptible to thermal expansion and aren’t the best choice for all climates.
Generally, magnets do stick to a metal roof, though certain metals may not be magnetic. In that case, you can use self-adhesive hooks designed for outdoor use or plastic clips that hook onto your gutter or the edge of your roof. But if your metal roof is made of steel, aluminum, or copper, you're in luck—those are all magnetic metals.
Yes, they are often made with recycled materials and offer energy-saving properties.
In the metal versus shingle roof debate, aluminum roofing has several advantages. However, aluminum roofing costs more than typical asphalt roofing, so up-front cost is a major downside. Aluminum is also somewhat susceptible to denting, and repairs can be more costly than for other roof types because your roofer will need to replace large panels rather than individual shingles. Aluminum roofs are also noisy in the rain, which some homeowners don’t like.
A metal roof can last anywhere from 15 to 100 years or more, depending on the type. Aluminum and corrugated metal roofs last around 45 years, but tin roofs can last for up to 75 years, and copper roofs can last 100 years or more.
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The Cordova, AK homeowners’ guide to grill repairs
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