Venting Bathroom Fan Through Roof

This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.

Venting bathroom fan through roof. No you should not vent a bathroom fan directly into an attic however you can vent a bathroom fan through an attic while it terminates on the roof or gable end. Can i vent a bathroom fan into my attic. 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.

Vent your bath and kitchen exhaust fans through the roof through a special roof hood. This involves running ductwork from the fan usually though an attic and out through the roof. It eliminates the need for routing ductwork through the house and these fans usually dry the bathroom more quickly.

The master bathroom and the 2nd bathroom vent through the roof and through the same opening. Pass the opposite end of the duct through the hole in roof. It seems like such an easy solution just leave a bathroom vent hose in an attic.

Next use aviation snips to cut slits into the sheet metal sleeve. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Take the end of the duct with the connector fitting and attach it to bath vent fan.

See below for a shopping list and tools subscribe. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. The 2nd bathroom vent drips on the floor and is ruining the ceiling.