The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.
Exhaust termination at roof.
The exhaust system shall terminate as follows.
Outside the building with a fan or duct.
Here s a roof with some different vents.
This photograph shows one in action.
We also review recommended clearance distances between the bath exhaust duct end opening and other building features such as a gas fired.
A vent that serves more plumbing fixtures needs to be larger.
802 6 gas vents a gas passing through a roof shall extend through the entire.
Although numbers 3 and 4 look similar number 3 is a dryer vent.
The attractive broan 634m roof cap is the perfect finish for your ventilation system.
Numbers 1 and 2 are both plumbing stack vents.
The bird screen stops unwanted visitors from gaining entry.
It has a finish coating that will help it resist corrosion.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
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.
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 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 built in back draft damper eliminates cold air from entering the home.
Bathroom exhaust fan termination fittings locations clearance distances.