Extractor Fan Vented Through Roof

Both bathrooms are vented by a single in line fan that has one exhaust vent running through the roof.

Extractor fan vented through roof.

Two bathrooms two roof vents each bathroom has its own exhaust fan. I can feel some water around the metal wrapping of the vent where there is an opening. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. In order to accomplish this the roof has to have a hole cut in it.

Robert s has the largest base flange of any bath roof vent cap which makes it super easy to install and make watertight on the roof. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. Kitchen range hood vented through roof. I have my fan vented out through the roof but near the inside of the roof in my attic the vent leaks a bit and condensation gets on the wood and a bit down in the insulation around where the vent goes out.

A direct through wall bath vent fan design may be preferable if the building roof shape bath location or other details make it difficult to exhaust a ceiling mounted bathroom exhaust fan. This involves running ductwork from the fan usually though an attic and out through the roof. In other words some bathroom locations and designs such as first floor baths in a multi story home are vented out thorough the building sidewall not up. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.

To avoid going through the brick wall can i vent the hood straight up through roof. Each fan vents separately out the roof. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. I have a range that is located against an outside brick wall in a one story kitchen with a flat roof.

Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out.