Bathroom Exhaust Through Roof

Dumping bathroom exhaust into an attic or under roof space invites costly mold contamination frost under the roof in freezing climates moisture damage to roof sheathing possibly even plywood delamination or rot roof failures and shorter roof shingle life.
Bathroom exhaust through roof. Whether you need to install a new wall bathroom exhaust fan or a ceiling bathroom exhaust fan bathroom fan installation is a project you can do yourself. The 2nd bathroom vent drips on the floor and is ruining the ceiling. It may also violate a shingle warranty.
In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. 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. This discussion is now found at bathroom vent up through roof.
Each will need its own exhaust fan. From the roof find the nail and use the utility knife to cut roof shingles from around the nail. In order to accomplish this the roof has to have a hole cut in it.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. Center the nail between two rafters. Bathroom exhaust fans remove moisture heat and odors from the bathroom.
I prefer to run a bath vent to outdoors via a horizontal line that goes across an attic and out through a gable end wall or one that vents down and outside through a roof overhang or soffit. This guide gives you step by step instructions on how to install a new. This involves running ductwork from the fan usually though an attic and out through the roof.
A bathroom vent is an essential part of your home s ventilation system. Through the roof depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. Even if they are right next to each other two bathrooms should not share a vent.