Replace Roof Vent Pipe Seal
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Remove the plastic backing from the roofing membrane and slide it over the vent pipe and down onto the roof.
Replace roof vent pipe seal. Slide the replacement rubber gasket over the pipe and press it down tight to the flange. Works for any size pipe. Cut away the old caulk from around the vent pipe. Run a bead of silicone caulk around the vent pipe opening in the roof.
Dry fit it in place and make sure everything lines up and looks good add tip ask question comment download. Use your cutters to trim the seal until it fits neatly over the old seal. Squirrels can damage the jacks by chewing on the soft lead covering to sharpen their teeth. Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket.
Steps to replacing a roof vent jack. Video turorial on how to change out a plumbing vent boot. Roof jacks fit over plumbing vent pipes that protrude through the roof to keep them from leaking. Use the knife blade to scrape the pipe clean and smooth.
Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.