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Moreover, metal roofs are known for their durability and longevity. When properly installed, a metal roof can last anywhere from 40 to 70 years, far outpacing the lifespan of asphalt shingles, which typically last between 15 to 30 years. By installing a metal roof over asphalt shingles, homeowners can effectively extend the life of their roofing system, reducing the frequency of future replacements and the associated costs. This is especially advantageous in regions prone to extreme weather, where the resilience of a metal roof can protect against harsh conditions such as heavy rain, snow, and wind.
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1. Quality of Material The longevity of composite shingles is largely determined by the quality of the materials used in their construction. Higher-grade shingles with better resistance to UV rays, moisture, and temperature changes generally have longer lifespans. When choosing shingles, it’s essential to consider the manufacturer’s reputation and the warranty offered. Many reputable brands provide warranties that can extend up to 50 years, which is a good indicator of their expected durability.
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