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One of the most significant benefits of rolled metal roofing is its durability. Manufacturers are increasingly using advanced coatings and treatments that enhance the longevity of the material, making it resistant to rust, corrosion, and extreme weather conditions. The lifespan of well-maintained rolled metal roofs can extend beyond 50 years, significantly reducing the need for frequent replacements. This durability translates into lower long-term maintenance costs, which is a prime consideration for homeowners and commercial property owners alike.
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2. Degree of Substitution The degree of substitution refers to the average number of hydroxyl groups on the cellulose molecule that are replaced by hydroxypropyl and methyl groups. Higher degrees of substitution generally lead to improved solubility in water and enhanced film-forming properties.
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