Roof vents are made from different materials.
Roof exhaust vent leak.
A handyman could likely replace the cap be sure to ask before having one come out.
Sounds like the leak is where the exhaust pipe penatrates the roof.
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.
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.
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.
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.
Even if you created a hole that s of the perfect size for the vent pipe there will still be gaps around the pipe.
Roof vent leaking there are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.
There s an issue with the flashing for the vent cap.
The roof vent pipe is installed cut through the roof and around the pipe attached to the roof is surrounded with rubber boot as insulation for the gap between the pipe and roof.
A roofer would be a sure bet to repair replace whatever it is.
Could b the cap or at the flashing at the roof.
These boots vary in quality flexibility and longevity.
Steps for fixing a leaking rooftop vent pipe.
Use the knife blade to scrape the pipe clean and smooth.
Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing.
When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of the vent pipe.
Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.