Flashing are thin strips of metal installed at danger points for leaks around a roof.
Small roof leaks on flashings.
As each row of shingles is laid a step flashing is installed over the shingle next to the wall.
If an inexperienced contractor didn t install the materials well leaks could occur.
Small holes or corroded spots in flashing can be easily repaired.
Flashing needs to be properly sealed to protect against water intrusion.
For a chimney they are bent at a 90 degree angle to attach to both the roofing material and the brick chimney.
A common cause for leakage is poor workmanship on your roof.
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.
Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk.
First roughen the area around the hole with a wire brush or sandpaper and then clean it.
You find these flashings where a roof climbs alongside a vertical wall.
Speaking of chimneys compromised flashing is a common problem on a roof.
Roof flashing roof vents or roof membranes can leak from poor installation.
Recaulk the corner flashing if any areas have hardened caulk.
Some roof leaks happen at step flashings.
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.