Replace Roof Vent Pipe Seal

Cut away the old caulk from around the vent pipe.

Replace roof vent pipe seal.

Dry fit it in place and make sure everything lines up and looks good add tip ask question comment download. 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. Steps to replacing a roof vent jack.

Works for any size pipe. Remove the plastic backing from the roofing membrane and slide it over the vent pipe and down onto the roof. Run a bead of silicone caulk around the vent pipe opening in the roof. Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.

Use the knife blade to scrape the pipe clean and smooth. Slide the replacement rubber gasket over the pipe and press it down tight to the flange. Squirrels can damage the jacks by chewing on the soft lead covering to sharpen their teeth. Use your cutters to trim the seal until it fits neatly over the old seal.

Run a bead of.