How to repair roof flashing small holes or corroded spots in flashing can be easily repaired.
How to repair leaky roof flashing.
Clean the surface of the roof under the flashing.
Step 3 remove metal roof flashing.
Plug pinholes with roofing cement and patch holes up to about 3 4 inch in diameter with a patch from the same material as the flashing.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
Use a roofing nail to keep the section down and apply some caulking around the edge to seal against water.
Small nail holes left behind from old vents satellite dish brackets or anything previously attached to the roof can allow water to enter and cause damage for years before leaking is noticed.
Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.
Spread some roofing tar under the edge that is sticking up and bend it back down to a flat surface.
Isolate areas when you run the hose.