Run Bathroom Vent Along Wall

Anchor the drainpipe with straps.

Run bathroom vent along wall. How to vent a drain out a side wall. If the toilet drain does not connect directly to a vent you must find another way to vent it. Drain pipes take the wastewater to the soil stack. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space.

A vent is an important part of a drain and it performs two functions. You may be able to configure a short route. The bathroom here is below an accessible attic so tom ran the exhaust duct across the attic and out a gable end. Previously i had helped a friend install an exhaust fan and we routed the vent out to the soffit.

Guide the vent pipe up through the hole and into the attic or room above and slip its lower end into the fitting at the floor. Since the joists run the wrong way there is a bedroom next to the bathroom. For a 1 1 2 inch vent pipe a 2 1 2 inch hole is sufficient. Through the stack sewer gases are carried up to the roof through vent lines.

The horizontal vent pipe runs right next to the closet. 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. The first is to allow air into the drain line to replace the vacuum created by flowing. Bathroom vent fans are rated by how many cubic feet of air they can move in one minute known as the cfm rating.

Cut a smaller opening in the ceiling for the vent pipe. To determine which size fan to buy for your bath multiply the room s square footage by 1 1. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. The location of the bathroom will determine how extensive the ductwork will be.

Toilet vent option 1. 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. 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. A drainpipe attached to the p trap goes into an opening in the wall.

Do let your fan run long enough. 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.