Vent Bathroom Fan Through Roof Or Soffit

The 2nd bathroom vent drips on the floor and is ruining the ceiling.

Vent bathroom fan through roof or soffit.

As the warm moist air leaves the bathroom through a soffit it leaves in a downward motion. Even though the exhausting bathroom fan may disrupt the intake air flow of soffit venting it is a very small area and isn t going to be a big problem. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. A hole in the roof may cause it to leak.

Here is a guide on how to vent a bathroom fan through soffit. 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. However natural air flow from the outside will bring the moist air back into the attic through the soffit vents kind of like a vacuum. 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.

Get free shipping on qualified ventilation or buy online pick up in store today in the building materials department. The good majority of bathroom fans are vented through the roof while some people are choosing to soffit vent them as an alternate. The roof contractor recommends the soffit to minimize protrusions through the roof. In other cases it can be difficult to vent a second story bathroom to the side of the house.

There is no definitive answer in the codes that pertain to where the air must vent out of the house. 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. 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.

Installing a bathroom exhaust fan to the soffit can likely be done within an hour or two if you have all of the tools such as the vent cover a tall ladder the vent hose vent clamp and jig saw.