Fixing Metal Roof Flashing

Use a stiff brush and solvent to remove flaking paint corrosion and dirt but keep the solvent away from asphalt shingles because it will dissolve them.

Fixing metal roof flashing. If you find damage then you will have to get it. Replace any missing or rotted siding above the step flashing on dormers. Hammer chisel safety goggles wire brush paintbrush water cement mortar small trowel butyl rubber caul. However it s important to check for damage anyway.

Even galvanized metal flashing corrodes after extended exposure to rain and sun. For metal roof flashing that is corroded and needs to be replaced you will need to remove it from the shingles. Here are some tools that may come in handy for fixing metal flashing around a chimney. When working with step flashing this may involve removing undamaged pieces of flashing as well.

How to repair roof flashing step one. Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk. Be sure to follow the. Pry up the edges of the flashing with a small prybar carefully so you do not damage the shingles or underlying sheathing.

Remove the roofing nails with the prybar as the flashing is being removed.