Exhaust Termination At Roof

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.

Exhaust termination at roof.

This handout is intended to provide only general information contact the building and safety division for any questions or additional information. Number 5 is a. The following is a list of the general requirements for vent termination based on the 2016california mechanical code. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.

This photograph shows one in action. The bird screen stops unwanted visitors from gaining entry. Numbers 1 and 2 are both plumbing stack vents. A vent that serves more plumbing fixtures needs to be larger.

Outside the building with a fan or duct. Round duct roof cap with manufactured steel housing and black electrically bonded epoxy finish. It has a finish coating that will help it resist corrosion. The attractive broan 634m roof cap is the perfect finish for your ventilation system.

The built in back draft damper eliminates cold air from entering the home. Bathroom exhaust fan termination fittings locations clearance distances. Here s a roof with some different vents. The exhaust system shall terminate as follows.

Although numbers 3 and 4 look similar number 3 is a dryer vent. 802 6 gas vents a gas passing through a roof shall extend through the entire. Vent your bath and kitchen exhaust fans through the roof through a special roof hood.