How long is my roofs lifespan?

Friday, May 15th, 2015 at 10:54 am , By C Plus Roofing

When considering replacing the roof, people are often quoted a service life which ranges from 25 to 35 years. The service life of roof is closely associated with the quality of asphalt roof shingles which is determined by their weight.  Asphalt shingles we see in the market range in weight from 210 to 320 pounds per 100 square feet. The most common type that contractors usually opt for is 210 pounds per 100 square feet. In accordance with the construction code, the 210 pounds per 100 square feet is considered a minimum standard for asphalt shingle roof.

As a roof ages, gravel and debris will fall from the asphalt shingles, which allows sunlight to melt asphalt more easily, thus causing the bending and deformation of the asphalt shingles. An asphalt shingle roof with 210s,usually has a life expectancy of 12 to 15 years. 320’s (three hundred and twenty pounds per square) are usually provided with a 20-year warranty by the manufacturer. But they are rare in the market. Overall, every roof is different and the lifespan of your roof will depend on the materials used, regular maintenance, where you live, and other factors.

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