An inspection of the attic revealed that water was running down the outside of the pipe.
Roof vent pipe boot leaking.
There were no leaks in the roof itself.
Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing.
Leakage due to improper installation of the vent pipe boot would present as water stains dark spots and or wet areas on the under side of the roof sheeting.
Unfortunately the rubber boot damage often becomes the main cause of roof vent leaking.
It was easy to see how the rain was running down the side of the pipe.
Steps for fixing a leaking rooftop vent pipe.
I show how to easily install a perma boot 3.
Free delivery with 45 order.
These boots vary in quality flexibility and longevity.
A vent pipe boot can leak either from improper installation or more likely from a split in the rubber where it fits around the pipe.
A roof that leaks around a vent pipe is a common cause of small water stains on a ceiling or water leaking into a home.
Sun exposure and heat especially during the summer can cause the rubber boot to crack creating the space for water to leak in.
Best way to fix a leaking roof vent pipe this video shows the installation of a perma boot on a residential roof.
Set your store to see local availability add to cart.
Inside diameter black new construction or reroof thermoplastic vent pipe roof flashing model pb 312 4bk 19 97 19 97.
Roof vents are made from different materials.
Vent pipe black color new construction reroof model pb 312 3bk 19 97 19.
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.
A trip up on the roof revealed that the rubber boot incorporated into the flashing was splitting and separating from the pipe.
Cut away the old caulk from around the vent pipe.
The leaking may first be seen in the attic but if you don t catch it right away you may see water coming into the house dripping on the floor.
