Roof Leaking Around 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.

Roof leaking around 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. Deterioration of the underlying metal flashing and roof cement around vent pipes is also a common occurrence. Roof leaks around vent pipes is relatively common. If the collar is cracked or damaged it will need to be replaced.

How to fix a leaking roof vent pipe flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill holes gaps flashing and loose shingles around vent pipe. Vent pipe leaks are very common and vent pipe flashing should be regularly inspected to prevent roof leaks. The rubber boot for the roof vent covers the hole and seals the gap around the pipe. If you re one of them then you re not really surprised.

It basically does the same job as the chimney flashing. 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. This is further sealed with a sealant designed for roofs. These boots vary in quality flexibility and longevity.

Steps for fixing a leaking rooftop vent pipe. You ll also be surprised to know that a lot of homeowners are at a loss as to why that area is leaking. Cut away the old caulk from around the 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. As mentioned there s a rubber boot that serves as a seal to prevent water from leaking in. Rusty and cracked vent pipe collars will allow the water to first pool around then seep through the interior walls of your home causing great damage. In this video this old house general contractor tom silva shows how to create a watertight seal around a vent pipe.