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The lifespan of a roof patch depends on which materials you use and the severity of the damage. Temporary solutions like tarps or plastic sheets last a few weeks to a few months, while roofing tape or caulk may hold up for a year or two. Permanent patches using roofing cement, flashing, or replacement shingles can last several years as long as they're properly maintained. Regular inspections and touch-ups can extend the patch’s lifespan, but eventually, a full repair or replacement would be needed.

A metal roof can last anywhere from 15 to 100 years or more, depending on the type. Aluminum and corrugated metal roofs last around 45 years, but tin roofs can last for up to 75 years, and copper roofs can last 100 years or more.

There are advantages and disadvantages to metal roofs in cold climates. Metal roofing stands up extremely well to harsh winters as long as it is properly insulated. Snow and ice slide right off residential metal roofs, preventing the formation of ice dams; but because of this, they may require snow guards, which prevent the ice and snow that slide off a roof from causing a sort of "mini avalanche" that can damage property and people below.

Metal roofs have a bad reputation for being loud, even if that's not necessarily true—it's usually only thin tin or sheet metal roofs that are loud during storms. Stone coating adds a layer to the metal that severely cuts down on any noise from rain. In many ways, stone-coated steel roofs are quieter than your average, run-of-the-mill asphalt shingle roof.