Bathroom Exhaust Fan Through Roof Or Soffit

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.

Bathroom exhaust fan through roof or soffit. In other cases it can be difficult to vent a second story bathroom to the side of the house. When a bathroom exhaust duct terminates in a soffit it drips. Sometimes venting the bathroom fan through soffit is the easiest solution as you don t have to go onto the roof. 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.

And while both a roof vent and an overhang vent perform this task there is one big difference. In cold weather it forms icicles. Idea 5 connecting the duct to the bathroom fan. Next we must slip a worm drive metal clamp on the inside part of duct liner.

I have gotten mixed opinions on whether to vent the new fan through the roof or through the soffit eave. 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. That s why wall terminations are preferable to soffit terminations. Check the damper and the screen in prior to installation.

You certainly can run the vent through a soffit. 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. If you do you re dumping your exhaust inside the soffit space not outside the building. How to install a bathroom fan vent in the soffit.

This way we can make sure both are positioned properly. The 2nd bathroom vent drips on the floor and is ruining the ceiling. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. 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.

The bathroom exhaust should never be vented anywhere near nor through the soffit area. The roof contractor recommends the soffit to minimize protrusions through the roof. The point of a bathroom exhaust vent or any vent really is to remove hot moist air from the house. Here is a guide on how to vent a bathroom fan through soffit.

As the warm moist air leaves the bathroom through a soffit it leaves in a downward motion. 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. 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. Then the vent terminates outside.