Flashing is just a material, usually aluminum or steel, that’s used over joints in roof and wall construction to prevent water seeping in and causing damage. Depending on the style of your house’s roof, you probably have it in the valleys, around the chimney and pipes, and around any dormer windows or skylights. Most damages with flashings show up either in flashing that’s deteriorating due to weathering and oxidizing, or in flashing that has come loose.
Most flashing problems can be patched or repaired fairly easily if caught early enough. Professional roofers typically cut and shape their own flashing from sheet metal, but the most common flashing pieces also come pre-formed and can be applied without much difficulty using caulking or roofing cement.
A word of warning: Because of the danger involved, I never recommend people do work on roofs unless they are professionals or they’re used to being on roofs and are familiar with the one they’re working on. So if your flashing needs any significant repairs, consider hiring a residential roofing contractor like us to do it for you.
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