Roof Exhaust Vent Leak

Could b the cap or at the flashing at the roof.

Roof exhaust vent leak.

Even if you created a hole that s of the perfect size for the vent pipe there will still be gaps around the pipe. Fix a leaky roof vent pipe with a oatey rubber gasket. There s an issue with the flashing for the vent cap. A handyman could likely replace the cap be sure to ask before having one come out.

Leaking roof vent pipe roof vent pipes are common areas for roof leaks. This is why roofers add a flashing to the vent cap. Steps for fixing a leaking rooftop vent pipe. Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.

When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of the vent pipe. A roofer would be a sure bet to repair replace whatever it is. The leaking may first be seen in the attic but if you don t catch it right away you may see water coming into the house dripping on the floor. Cut away the old caulk from around the vent pipe.

You have to understand that the vent is installed by making a hole in the roof. Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing. Roof vents are made from different materials. A roof that leaks around a vent pipe is a common cause of small water stains on a ceiling or water leaking into a home.

Sounds like the leak is where the exhaust pipe penatrates the roof. Roof vent pipes from plumbing or exhaust vents penetrate the roof and are usually sealed using a collar style flashing made out of a flexible material like epdm rubber or flexible pvc. Use the knife blade to scrape the pipe clean and smooth.