Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket.
How to fix a leaky gas flue roof vent.
This is how to stop a roof leak in the rain.
Some roof leaks are tough to locate.
Steps for fixing a leaking rooftop vent pipe.
Like all installations that poke through the roof sometimes a flue pipe develops leaks that result in water leakage into the attic or roof space when it rains.
Sometimes the water shows up at a ceiling spot distant from the leak.
This video shows one possible way to do that.
A number of points may fail in the flue but they are mostly easy to detect and fix.
Across the joists lay a piece of plywood and put a bucket to contain the water and.
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Video shows recommended and verified repair.
Cut away the old caulk from around the vent pipe.
Rain water was leaking through the roof into the attic and into the furnace closet.
If the draft hood is damaged replace it with a new one of the same size.
The immediate thing to do is to contain dripping water from the leak.
Furnace metal gas vent leak.
Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.
As you won t be able to fix the roof vent leak from outside emergency fix must be done from under the roof or the attic.
If your roof vent leaks during heavy rain the rain may be blowing up under the hood and into the vent.
In a gas heated home a flue pipe vents the gases out through the roof.
Example of chimney cricket repair.
It this is the case you need to create a breathable shield to slow the driving rain drops while still allowing air flow.
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.
