Common problems affecting roof drip edges include improper installation sequences (such as putting underlayment over the eave drip edge), which traps water on the roof deck and causes wood rot. Additional issues include loose or missing nails caused by thermal expansion and contraction, bent or dented metal edges from falling tree branches or ladder impacts, and rust corrosion on non-galvanized steel flashing, all of which can compromise the waterproofing seal around the perimeter of the home.
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