Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.
Roof leak chaulk around vent.
Load the caulking gun to have it ready when needed.
The rubber gasket that surrounds the vent pipe could be rotted.
On the other hand if you want to make an overall barrier of protection against weathering damage or uv damage to your roof you might need to consider coating or a roof sealant that matches your roof s rood type.
If the rubber boot is cracked rotted away or torn.
Cut away the old caulk from around the vent pipe.
Use the knife blade to scrape the pipe clean and smooth.
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.
Position a ladder carefully against the edge of the roof securing the legs from wobbling or the ladder from folding.
Apply a thick bead of lap seal caulk around the seam.
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.
Vent pipe boot overlay slide a new vent pipe boot over the old vent pipe boot caulk seal watch video below new boot shingles replace worn out vent pipe flashing boot with a new one and shingle around it to provide a better roof leak repair.
Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing.
When this happens the water can seep into the house along the pipe.
Steps for fixing a leaking rooftop vent pipe.
Pull back on the plunger of the gun and place a tube of caulk.
Cut the old caulk line.
How to fix a leaking roof vent pipe.
How to seal around roof vents 1.
There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.
If all you need is some minor touchups on roof penetrations or leaks caulking would be the most common solution.
