Run Bathroom Vent Along Wall

For a 1 1 2 inch vent pipe a 2 1 2 inch hole is sufficient.

Run bathroom vent along wall.

Let the bathroom vent fan run throughout your bath or shower and just as importantly leave it on for at least 15 minutes after you re finished to fully air out. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out.

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. No matter the location of the bathroom you can vent the exhaust fan through the wall. Ductwork is what will connect the fan to the outside. 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.

Through the stack sewer gases are carried up to the roof through vent lines. 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. Bathroom vent fans are rated by how many cubic feet of air they can move in one minute known as the cfm rating.

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. A drainpipe attached to the p trap goes into an opening in the wall. Anchor the drainpipe with straps. Drain pipes take the wastewater to the soil stack.

How to vent a drain out a side wall. You may be able to configure a short route. Do let your fan run long enough. The first is to allow air into the drain line to replace the vacuum created by flowing.

The location of the bathroom will determine how extensive the ductwork will be. If the toilet drain does not connect directly to a vent you must find another way to vent it. To determine which size fan to buy for your bath multiply the room s square footage by 1 1. Toilet vent option 1.

The horizontal vent pipe runs right next to the closet. 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. Cut a smaller opening in the ceiling for the vent pipe.