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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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Roofing granules refer to roofing materials with high reflectivity, which can reflect most of the sunlight and reduce the heat absorbed by the building. Among them is white roofing granules, whose advantages lie in their excellent energy-saving effect and ability to reduce the urban heat island effect. In the hot summer, white roofing granules can significantly reduce the indoor temperature and reduce the use of air conditioning, thereby saving energy.