A cap sheet is a waterproof material used in flat roofing systems, typically installed on the top layer of the roof to provide protection. It forms a barrier against weather elements, ensuring that water cannot penetrate through to the structure beneath. This is crucial as leaks can lead to devastating damage, including rot, mold, and structural weakness.
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One of the standout qualities of asphalt glass roof shingles is their impressive durability. They are designed to withstand harsh weather conditions, including heavy rain, strong winds, and extreme temperatures. Many manufacturers offer warranties ranging from 20 to 50 years, attesting to their long lifespan. In addition, these shingles are resistant to common roofing issues such as mold and algae growth, ensuring that they maintain their appearance and effectiveness throughout their lifecycle.