There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.
Gas flue roof vent leak.
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.
This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.
Furnace metal gas vent leak.
A flue pipe with dripping water could have to do with rainwater entering so replace the flue cap on the roof.
A number of points may fail in the flue but they are mostly easy to detect and fix.
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.
To aid in removing the vent pipe a thimble or slip joint may be used.
If that doesn t get rid of the odor it s time to call a professional.
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.
When the vent is withdrawing air from the house it expels the gas outside through the vent.
The vent pipe must be firmly attached and sealed where it enters the chimney in order to prevent it from falling out to prevent air leaks into the chimney reducing the effective draft and to prevent flue gas leaks out of the chimney.
Similar to a drain trap vents allow sewer gas to leave your home through your roof rather than going elsewhere.
Also known as the type b this vent is operating on the natural air convection.
Video shows recommended and verified repair.
And on occasion a hard driving rain with whipping wind will cause roof vents to leak water.
When vents diminish a building s indoor air pressure.
If your roof vent leaks during heavy rain the rain may be blowing up under the hood and into the vent.
But some roof air vents sit fairly flat to the roof with a mushroom style hood and unprotected sides.