How To Fix Roof Leak 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.

How to fix roof leak around vent pipe.

Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. In this video this old house general contractor tom silva shows how to create a watertight seal around a vent pipe. 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. This is not to say that it s not going to be a problem.

You re in luck if you re able to pinpoint the source. Its most likely cause comes from water that penetrates from above. Vent pipe leaks are very common and vent pipe flashing should be regularly inspected to prevent roof leaks. If you see discolored drywall on your ceiling do not ignore it.

This is especially true if you can t seem to pinpoint the source of the leak. For example in a lot of cases it could be from around the roof vent pipes. There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent. Cut away the old caulk from around the vent pipe.

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