Fixing Metal Roof Flashing

Replace any missing or rotted siding above the step flashing on dormers.

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. Use a zinc based primer and then spray on two or more light coats of rust inhibiting metal paint. 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.

For metal roof flashing that is corroded and needs to be replaced you will need to remove it from the shingles. However it s important to check for damage anyway. Even galvanized metal flashing corrodes after extended exposure to rain and sun. Be sure to follow the.

Hammer chisel safety goggles wire brush paintbrush water cement mortar small trowel butyl rubber caul. If you find damage then you will have to get it. 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.

Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk.