Gas Flue Roof Vent Leak

Similar to a drain trap vents allow sewer gas to leave your home through your roof rather than going elsewhere.

Gas flue roof vent leak.

To aid in removing the vent pipe a thimble or slip joint may be used. Video shows recommended and verified repair. 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. 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.

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. Also known as the type b this vent is operating on the natural air convection. A number of points may fail in the flue but they are mostly easy to detect and fix. If the draft hood is damaged replace it with a new one of the same size.

Rain water was leaking through the roof into the attic and into the furnace closet. A flue pipe with dripping water could have to do with rainwater entering so replace the flue cap on the roof. When the vent is withdrawing air from the house it expels the gas outside through the vent. In a gas heated home a flue pipe vents the gases out through the roof.

If that doesn t get rid of the odor it s time to call a professional. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. And on occasion a hard driving rain with whipping wind will cause roof vents to leak water. There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.

If your roof vent leaks during heavy rain the rain may be blowing up under the hood and into the vent. When vents diminish a building s indoor air pressure. Make sure to center the draft hood over the vent hole properly straighten it and tighten it up or replace the screws if needed.