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You should plan on replacing architectural shingles every 20 to 25 years in most cases, although you could see up to around 30 years of useful life. Replacing your roof before it reaches the end of its life is a good idea because it reduces the risk of roof failure and roof leaks, which can contribute to extensive property damage and hefty repair costs. Your shingles’ life span can be shorter if you live in an area that sees a lot of extreme weather, so plan on getting a roof inspection done every few years to identify the best timeline for replacement.

Asphalt shingles blister when air gets trapped between building materials, either within the layers of the shingle itself or in adhesives on the undersides of the shingles. As the roof heats up in direct sunlight, the trapped gas expands and creates a bubble in the roof. Eventually, the bubble can pop, leaving an exposed area of decking and underlayment.

You can think of a flat roof as a green roof, as it does offer some environmentally-friendly advantages. When considering an eco-friendly flat roof, some of the green roof pros and cons include that you could place a garden with plants on the flat roof. Manufacturers may use recycled materials in the construction of the flat roof for an eco-friendly design.

Clay tile roofing is more susceptible to damage from impact than something like a metal roof or even asphalt shingles, so they aren’t ideal in areas that see frequent windblown debris or hail. Clay tile roofs are also an average of $8,000 more expensive than asphalt shingle roofs, so up-front cost is an important consideration to make before committing.