Attic Vent Pipe Leak

This old house general contractor tom silva shows how to create a watertight seal around a vent pipe.

Attic vent pipe leak.

Someone took a shortcut. You ll also be surprised to know that a lot of homeowners are at a loss as to why that area is leaking. Vent pipes penetrate all the way through the roof in several locations of the house and each one needs to be maintained to keep water out. See below for a shopping list and tools subscribe to.

Steps for fixing a leaking rooftop vent pipe. 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. Fix a leaky roof vent pipe with a oatey rubber gasket.

Dealing with a leak around the roof vent pipes can be a huge problem as well. 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. First of all going from 3 in. 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.

Cut away the old caulk from around the vent pipe. There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent. 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. Roof leaks around vent pipes is relatively common.

You re also in luck because this article is going to help you a lot. If you re one of them then you re not really surprised. Use the knife blade to scrape the pipe clean and smooth. Attic condensation is due to humid air leaking or vented into the attic.

Transition coupling either plastic like this or banded rubber to join a 3 in. Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. Sometimes vents like this had to be.