A high-quality roof drip edge made from durable materials like heavy-gauge aluminum, copper, or hot-dipped galvanized steel typically lasts between twenty and fifty years, frequently matching the entire lifespan of the roof shingles. Because aluminum and copper are naturally rust-resistant, they endure decades of weathering without degrading. However, lower-quality painted steel drip edges may exhibit rust corrosion, paint peeling, or fastener failure much sooner if exposed to harsh coastal salt air or continuous moisture.
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