How To Connect Bathroom Fan To Roof Vent

Center the nail between two rafters.

How to connect bathroom fan to roof vent.

You can replace the fan opening with a grill for each washroom. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. 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. When inline fan is in operation air from both washrooms will vent out.

I would recommend installing a bath fan with a new vent that goes to the gable wall roof or even the soffit last choice. The fans would be located within 5 6 feet of each other and could easily exit the roof at the same point. There aren t many options for routing an exhaust fan to the outside of the house. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.

You may just want to go with a completely new vent the whole way most modern bathroom fans require 4 or 6 vent hoses for much better performance and lower noise. The 2nd bathroom vent drips on the floor and is ruining the ceiling. Then add an inline fan to the remaining leg of the y adapter and run ducting to vent outside. From inside the attic drive a nail through the roof directly above the bathroom vent fan.

Ductwork is what will connect the fan to the outside. The above scenario will work provided the following. The bathroom exhaust ventilation fan disperses air through an opening in the fan housing which is usually 3 inches in diameter and ideally faces in the direction of the ventilation system outlet. There are really only three venting options.

No matter the location of the bathroom you can vent the exhaust fan through the wall. Both washrooms must have nearly identical square. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.

Vent your bath and kitchen exhaust fans through the roof through a special roof hood.