How To Repair A Leaky Roof Vent Pipe Flashing

Cut away the old caulk from around the vent pipe.

How to repair a leaky roof vent pipe flashing.

This is to make sure that the job is done correctly and safely. Fix a leaky roof vent pipe with a oatey rubber gasket. Repairing a leaky roof is actually quite easy when you have all of the right materials. Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket.

Use the knife blade to scrape the pipe clean and smooth. Vent pipe flashing is one of the best ways to repair a roof with a leak. Best way to fix a leaking roof vent pipe this video shows the installation of a perma boot on a residential roof. There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.

It can be a complicated and unsafe task. Because vents are less substantial than a chimney they can be damaged more easily especially on older homes. How to repair roof vent pipe flashing. See below for a shopping list and tools subscribe to.

This old house general contractor tom silva shows how to create a watertight seal around a 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. Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. Actually there s only one thing that you need to do hire a professional.

Just to give you an idea here s how the professionals will do it. I show how to easily install a perma boot 3. If a vent is leaking the shingles and flashing around it will have to be replaced. If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.

If you want to take care of a leak but you don t want to call a roofing repair company then you should pick up some vent pipe flashing. Steps for fixing a leaking rooftop vent pipe. The seals and flashing around a roof s small metal vents can be damaged during a storm and may work themselves loose over time causing leaks.