Fix Roof Leak Around Vent

Steps for fixing a leaking rooftop vent pipe.

Fix roof leak around vent. The collar s job is to create a tight seal keeping rainwater and debris from getting into your attic. In this video this old house general contractor tom silva shows how to create a watertight seal around a vent pipe. These collars consist of a metal base generally made out of aluminum and a rubber boot integrated into the top of the collar. Although caulking around the roof vent can fix the problem for a while it s not a permanent solution.

Typically vent pipe leaks occur at the collar surrounding the base of the vent pipe where it breaks through the surface of the roofing material. This old house general contractor tom silva shows how to create a watertight seal around a vent pipe. 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. There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.

Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. 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. Sometimes the water shows up at a ceiling spot distant from the leak. They allow air circulation under your roof and allow air inside your attic to circulate with the air outside your attic.

Dealing with a leak around the roof vent pipes can be a huge problem as well. For example in a lot of cases it could be from around the roof vent pipes. You re in luck if you re able to pinpoint the source. Roof vents serve an important purpose.

This is especially true if you can t seem to pinpoint the source of the leak. This is not to say that it s not going to be a problem. Fixing roof leaking around a vent pipe. See below for a shopping list and tools subscribe to.

Cut away the old caulk from around the vent pipe. 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. Some roof leaks are tough to locate. Moreover this can cause more problems since it may mask the damage that s already been done to your home by the leak.

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