The longevity of your roof will of course depend on multiple factors such as roof material, climate, quality of installation, and frequency of maintenance. But as a general rule, this is what you can expect out of the most common materials.
Asphalt shingles are the least expensive but shortest lasting. A standard three-tab shingle roof should last about 15 years, maybe a bit longer if properly maintained. You can tell it’s failing when shingles crack, warp, or curl or lose their ceramic granules. When nails start to pull out from warping, they’ll blow away in the wind.
Wood can last longer than asphalt shingles, up to 50 years but can fail faster than asphalt shingles if not maintained since they need more maintenance. Like asphalt, they can warp and curl causing nails to pull out.
Clay or cement tiles
This kind of roof should outlast your home but you may need to replace individual tiles if they break due to impacts such as from walking on the roof or if they’re struck by wind-blown debris.
Slate roofs have been known to last upwards of 400 years on historical structures like cathedrals so it’s safe to say they’ll outlast your home but like tile, individual pieces might need to be replaced due to impact damage.
If you think your roof may be near the end of its life or at least in need of some maintenance, contact a Spokane roofing company about a free inspection.
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