Bathroom Exhaust Fan Roof Vent

Connecting a duct to the top of the inside of the roof where the ridge vent is if that s what he s suggesting is a poor idea and likely not to code.

Bathroom exhaust fan roof vent. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

An inline exhaust fan is usually installed directly into the ceiling cavity and typically mounted in between lengths of ducting. Following the sloping roof ceiling and exiting into the soffit this fan vent duct slopes down away from the vent fan which you can just see in the photo upper right corner. Inline fans are popular for areas that do not have clearance or roof space for a ceiling exhaust fan. Vent your bath and kitchen exhaust fans through the roof through a special roof hood.

The trapped hot air goes out from the attics through the ventilation space into nature. It should be vented in a way that no zero air can move from the fan exhaust duct into the attic. We explain how to install bathroom exhaust fans or vents the vent ducting the vent termination at the wall soffit or roof vent fan wiring bath vent duct insulation bath vent lengths clearances routing and we answer just about any other bathroom ventilation design or installation question you may have. He needs to poke a hole through the roof and put a vent stack metal cap on it.

In those areas ventilation in bathrooms is required but it can be from a window or fan your choice. Our bath vent fan duct installation photo shows use of solid metal 4 ductwork conducting the fan exhaust to an outdoor soffit under a cathedral ceiling roof. Exhaust vents unlike intake vents are installed at the topmost point of the roof. Broan nutone 634m steel roof cap for 6 round duct for range hoods losone fans and bath ventilation fans black 4 4 out of 5 stars 166 34 60 34.

This involves running ductwork from the fan usually though an attic and out through the roof. The 2nd bathroom vent drips on the floor and is ruining the ceiling. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. 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.

They are meant to let the air from indoors travel outdoors so there is continuous air flow.