Run a bead of.
Replace roof vent pipe seal.
Steps to replacing a roof vent jack.
Run a bead of silicone caulk around the vent pipe opening in the roof.
Use the knife blade to scrape the pipe clean and smooth.
Squirrels can damage the jacks by chewing on the soft lead covering to sharpen their teeth.
To replace a damaged roof vent jack on your home.
Remove the plastic backing from the roofing membrane and slide it over the vent pipe and down onto the roof.
Then run a second bead of caulk just below the first bead.
Roof jacks fit over plumbing vent pipes that protrude through the roof to keep them from leaking.
Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket.
Works for any size pipe.
Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.
Cut away the old caulk from around the vent pipe.
Slide the replacement rubber gasket over the pipe and press it down tight to the flange.