Run Bathroom Vent Along Wall To Outside

A drainpipe attached to the p trap goes into an opening in the wall.

Run bathroom vent along wall to outside.

How to vent a drain out a side wall. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. The new room will be in an alcove with the back wall being the outside of the house. Let s say you have a bathroom located away from an exterior wall and it s not possible to vent the fan through the roof.

Ductwork is what will connect the fan to the outside. Previously i had helped a friend install an exhaust fan and we routed the vent out to the soffit. The location of the bathroom will determine how extensive the ductwork will be. I can only run the 3 waste line in one direction and that will be between the floor joists.

If the toilet drain does not connect directly to a vent you must find another way to vent it. Behind the wall where you can t see a vent line and drainpipe lead to a soil stack which is the control center of the wastewater system. When you need plumbing in exterior walls. Through the stack sewer gases are carried up to the roof through vent lines.

Drain pipes take the wastewater to the soil stack. Toilet vent option 1. A vent is an important part of a drain and it performs two functions. If the drain line runs away from the wall where you want the vent use a reducing y and a 45 degree street elbow to point the vent line toward the wall.

I think it ll be around thirteen feet including the bathroom area to run a duct from that point above the ceiling along the adjacent bedroom to get to an outside wall. When remodeling bathrooms we always plan to install all plumbing lines inside interior walls and avoid running plumbing in exterior walls due to the reality of the pipes freezing. More powerful fans also tend to produce more noise. No matter the location of the bathroom you can vent the exhaust fan through the wall.

In our new house the soffits are a long way from our bathroom so the easier route was to install a wall vent outlet similar to a dryer vent outlet directly below the attic vent on the side of the house. The first is to allow air into the drain line to replace the vacuum created by flowing. Vent under the floor to get outside. But you can minimize the noise by installing an inline fan somewhere along the duct run that s away from your living space.

You may be able to configure a short route. I live and work in the cold boston area. We re all taught not to run plumbing in exterior walls. The horizontal vent pipe runs right next to the closet.

This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space.