It this is the case you need to create a breathable shield to slow the driving rain drops while still allowing air flow.
How to fix a leaky gas flue roof vent.
Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket.
Cut away the old caulk from around the 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 the draft hood is damaged replace it with a new one of the same size.
Video shows recommended and verified repair.
Use the knife blade to scrape the pipe clean and smooth.
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.
Steps for fixing a leaking rooftop vent pipe.
Make sure to center the draft hood over the vent hole properly straighten it and tighten it up or replace the screws if needed.
This is how to stop a roof leak in the rain.
Rain water was leaking through the roof into the attic and into the furnace closet.
The immediate thing to do is to contain dripping water from the leak.
Across the joists lay a piece of plywood and put a bucket to contain the water and.
Sometimes the water shows up at a ceiling spot distant from the leak.
Some roof leaks are tough to locate.
Example of chimney cricket repair.
This video shows one possible way to do that.
A flue pipe with dripping water could have to do with rainwater entering so replace the flue cap on the roof.
Furnace metal gas vent leak.
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In a gas heated home a flue pipe vents the gases out through the roof.
Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.