A residential or commercial roofing system’s expected lifespan varies widely depending on many factors, including material, local climate, installation and maintenance. For instance, asphalt shingles — the most preferred roofing option for homes — usually last for around 25 years.
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After installation, it’s normal for asphalt shingle roofs to look a little uneven for a while. However, you need to call your contractor if your roof doesn’t lay flat after several days.
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Rubber ethylene propylene diene monomer (EPDM), torch down and modified bitumen are some of the most popular roof membrane options. They have seams that can be adhered with glue, asphalt, tape, heat welder and other materials.
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