Fix Roof Vent Pipe Leak

Cut away the old caulk from around the vent pipe.

Fix roof vent pipe leak.

Dealing with a leak around the roof vent pipes can be a huge problem as well. Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket. This is not to say that it s not going to be a problem. If left unchecked the water that seeps in can eventually cause mold and structural damage to your home.

Steps for fixing a leaking rooftop vent pipe. For example in a lot of cases it could be from around the roof vent pipes. When this happens vents can spring leaks. 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.

These collars consist of a metal base generally made out of aluminum and a rubber boot integrated into the top of the collar. Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. I show how to easily install a perma boot 3. Typically vent pipe leaks occur at the collar surrounding the base of the vent pipe where it breaks through the surface of the roofing material.

There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent. 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. See below for a shopping list and tools subscribe to. The collar s job is to create a tight seal keeping rainwater and debris from getting into your attic.

Penetrations can include plumbing and roof vents chimneys dormers or anything else that projects through the roof. You re in luck if you re able to pinpoint the source. Roof leaks around vent pipes is relatively common. This is especially true if you can t seem to pinpoint the source of the leak.

If you have attic access the easiest way to track down a leak is to go up there with a flashlight and look for the evidence. This old house general contractor tom silva shows how to create a watertight seal around a vent pipe. Fix a leaky roof vent pipe with a oatey rubber gasket.