Insert the rubber gasket through the pipe.
How to seal reseal pipe boot on roof.
Proper commercial roofing products combine an epdm rubber boot or silicone for high heat applications with a bonded aluminum band to allow a compression seal to be formed at the roof panel.
I show how to easily install a perma boot 3.
Then run a second bead of caulk just below the first bead.
Insert the roofing membrane with the backing removed through the pipe.
Use the knife blade to scrape the pipe clean and smooth.
Seal the roofing membrane by applying silicone caulking in the area where the roofing membrane comes in contact with the pipe.
You may need to stretch its opening for the pipe to fit.
And begging to caulk around where the boot will go on the roof.
Pipe and flue penetrations allow for a long term performance of the roof.
Run a bead of.
Run a bead of silicone caulk around the vent pipe opening in the roof.
Place the new boot in the hole of the pipe and cut the boot on the line that touches the rim.
Remove the plastic backing from the roofing membrane and slide it over the vent pipe and down onto the roof.
Slide the replacement rubber gasket over the pipe and press it down tight to the flange.
Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket.
Best way to fix a leaking roof vent pipe this video shows the installation of a perma boot on a residential roof.