Exhaust Termination At Roof

Bathroom exhaust fan termination fittings locations clearance distances.
Exhaust termination at roof. The attractive broan 634m roof cap is the perfect finish for your ventilation system. This handout is intended to provide only general information contact the building and safety division for any questions or additional information. Outside the building with a fan or duct. We also review recommended clearance distances between the bath exhaust duct end opening and other building features such as a gas fired.
The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Although numbers 3 and 4 look similar number 3 is a dryer vent. This article describes the proper closure or termination of bathroom exhaust fans fan ducts to prevent drafts heat loss leaks or even bird or rodent pest entry to the building. The bird screen stops unwanted visitors from gaining entry.
Through the roof or to the roof from outside in accordance with section 510 9 1 or through a wall in accordance with section 510 9 2. This photograph shows one in action. The following is a list of the general requirements for vent termination based on the 2016california mechanical code. A vent that serves more plumbing fixtures needs to be larger.
Round duct roof cap with manufactured steel housing and black electrically bonded epoxy finish. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. Numbers 1 and 2 are both plumbing stack vents. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
802 6 gas vents a gas passing through a roof shall extend through the entire. The built in back draft damper eliminates cold air from entering the home. It has a finish coating that will help it resist corrosion.