Fix Leaky Roof Flashing

Nail a new strip in place and reseal.

Fix leaky roof flashing.

Fix a leaky roof vent pipe with a oatey rubber gasket. The flashing edge should be covered completely. 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. To fix gently pry up the material and remove nails.

Until a professional can fix it you could use caulking and roof cement temporarily. Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing. Flashing works to protect your roof from water and is probably around your chimney too. If you see thin spots or gaps along a flashing joint spread roof cement over the entire joint applying it generously with a trowel.

There are three different types of roof flashing repair. Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof. Isolate areas when you run the hose. Flashing is the metal strip that creates a water resistant barrier between joints.

Step flashing is when you repair the damage by putting in new flashing over the damaged area. How to repair roof flashing small holes or corroded spots in flashing can be easily repaired. To do this ask an assistant to observe the area of the ceiling near the chimney and run water along the sealed gaps of the. First roughen the area around the hole with a wire brush or sandpaper and then clean it.

First snip the new flashing with your shearers then bend it to a 90 degree angle. The rubber gasket that surrounds the vent pipe could be rotted. Water test the roof at the area of the chimney using a garden hose. 2plumbing vent boots and roof vents.

Then slide it up the roof preferably on top of the damaged flashing. To prevent leaks at the flashing inspect it every spring. Flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill holes gaps flashing and loose shingles around vent pipe vent pipe boot overlay slide a new vent pipe boot over the old vent pipe boot caulk seal watch video below. If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.

At the chimney examine the flashing carefully. If these metal strips rust or crack they could let water in and cause leaks. Flashing is metal strips around the edges or joints of your roof that are prone to leaking.