Leaking Roof Vent Boot

Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof.

Leaking roof vent boot.

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. Roof leaks around vent pipes is relatively common. 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 top selling vent pipe flashing product is the critter quitter critter quitter small size plumbing vent repair for 2 1 2 in.

See below for a shopping list and tools subscribe to. This old house general contractor tom silva shows how to create a watertight seal around a vent pipe. Lead flashing 1 1 2 in. 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.

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 roof air vent leaks roof air vents allow air to circulate from the underside of your roof to the air outside your roof. Some roof leaks are tough to locate. Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing. 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.

Some vent pipe flashing can be shipped to you at home while others can be picked up in store. 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. When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of the vent pipe. Sometimes the water shows up at a ceiling spot distant from the leak.

What are the shipping options for vent pipe flashing. If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.