Small Roof Leaks On Flashings

Part of the flashing turns up on the wall and the other portion gets covered by the next row of shingles.

Small roof leaks on flashings.

Replace any missing or rotted siding above the step flashing on dormers. Flashing are thin strips of metal installed at danger points for leaks around a roof. Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk. If an inexperienced contractor didn t install the materials well leaks could occur.

First roughen the area around the hole with a wire brush or sandpaper and then clean it. Roof flashing roof vents or roof membranes can leak from poor installation. Flashing needs to be properly sealed to protect against water intrusion. 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.

A common cause for leakage is poor workmanship on your roof. Small holes or corroded spots in flashing can be easily repaired. Recaulk the corner flashing if any areas have hardened caulk. For a chimney they are bent at a 90 degree angle to attach to both the roofing material and the brick chimney.

Some roof leaks happen at step flashings. Generally these flashings would not be a culprit in the case of a roof leak because they normally are outside the leak area at the outermost edges of the roof. Speaking of chimneys compromised flashing is a common problem on a roof.