Bathroom Exhaust Fan Through Roof Or Soffit

When a bathroom exhaust duct terminates in a soffit it drips.

Bathroom exhaust fan through roof or soffit. Next we must slip a worm drive metal clamp on the inside part of duct liner. So then the argument is that your humid bathroom exhaust comes out and is sucked back into the attic by the soffit vents built into most roof attic systems. The bathroom exhaust should never be vented anywhere near nor through the soffit area. Sometimes venting the bathroom fan through soffit is the easiest solution as you don t have to go onto the roof.

The roof contractor recommends the soffit to minimize protrusions through the roof. This way we can make sure both are positioned properly. I am getting a new roof installed and tear off and likely a lot of plywood and am simultaneously getting a new bath vent fan. The master bathroom and the 2nd bathroom vent through the roof and through the same opening.

I have gotten mixed opinions on whether to vent the new fan through the roof or through the soffit eave. If you do you re dumping your exhaust inside the soffit space not outside the building. The 2nd bathroom vent drips on the floor and is ruining the ceiling. As the warm moist air leaves the bathroom through a soffit it leaves in a downward motion.

And while both a roof vent and an overhang vent perform this task there is one big difference. In other cases it can be difficult to vent a second story bathroom to the side of the house. And the closer the termination is to the soffit vents that supply ventilation air to the attic the more likely that moisture from the bathroom will be drawn into the attic. Opposed to the traditional practices of venting a bathroom fan through a side wall or roof you can also vent it through a soffit which is much preferable in some cases as we will see in this article.

The 2 pipes one a 4 master and the other a 3 2nd do not go through the ceiling but into a common box that goes through the roof. Idea 5 connecting the duct to the bathroom fan. That s why wall terminations are preferable to soffit terminations. In cold weather it forms icicles.

If you are also amongst the people who are interested in avoiding making a hole in the roof and get the deed done using a soffit you have come to the right place. A hole in the roof may cause it to leak. Cooler air which is found under your roof overhang soffit is drawn up through the perforations of the soffit and exhausted through your roof venting system. The point of a bathroom exhaust vent or any vent really is to remove hot moist air from the house.

You certainly can run the vent through a soffit. Check the damper and the screen in prior to installation. How to install a bathroom fan vent in the soffit. A down through soffit exhaust vent design by leaving warm air in the exhaust duct when the fan is off creates a heat trap that reduces heat loss out of the bathroom through the exhaust fan duct when the fan is off in comparison with up routed vents or even horizontal vents through a gable end wall.