Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.
Attic vent pipe leak.
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.
Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket.
Dealing with a leak around the roof vent pipes can be a huge problem as well.
Fix a leaky roof vent pipe with a oatey rubber gasket.
We had assembled the exhaust vent pipes using pvc pipe that goes up through the ceiling and on into the attic where it connects via a y pipe to the main vent pipe going out to the roof.
You ll also be surprised to know that a lot of homeowners are at a loss as to why that area is leaking.
Sometimes vents like this had to be.
Someone took a shortcut.
Use the knife blade to scrape the pipe clean and smooth.
Is unusual although it may be required by your local plumbing code.
You re also in luck because this article is going to help you a lot.
Steps for fixing a leaking rooftop vent pipe.
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.
Vent humid air from kitchens and bathrooms to the outside instead of the attic to avoid this problem.
See below for a shopping list and tools subscribe to.
Cut away the old caulk from around the vent pipe.
Roof leaks around vent pipes is relatively common.
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.
If you re one of them then you re not really surprised.
Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing.
This old house general contractor tom silva shows how to create a watertight seal around a vent pipe.
First of all going from 3 in.
Transition coupling either plastic like this or banded rubber to join a 3 in.