Roof Leaking Around Vent Boot

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.

Roof leaking around vent boot. Metal flashing and vent boots work together to prevent water leaks around these pipes. Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof. The vent boot made from thin rubber that dries out and cracks with sun exposure allows water to run down. When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of 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. Make sure you need a new boot may just need a bit of bitumastic caulk if it is leaking a bit at the duct contact as they commonly do as the rubber gets older. And over time many vent pipe boots get hard and brittle as the punishing hot and cold cycles of sun snow and ice take a toll on your roof. Roof leaks around vent pipes is relatively common.

There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent. Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing the rubber gasket that surrounds the vent pipe could be rotted. The perma boot can also be used as a very effective preventative maintenance product to guard. Existing pipe boot repair and preventative maintenance the perma boot is a gasket less two piece pipe boot repair system designed to permanently repair the most common type of roof leak the leak around the vent pipes that penetrate your roof.

If split then yes it needs replacing though a good wrap with waterproof duct tape or bitumastic caulk will keep it intact and dry until a roofer can fix it.