This may seem suitable since the only purpose for the stack is to provide air and expel sewer gases.
Soil vent pipe height above roof.
Edit related articles on designing buildings wiki air admittance valve.
Regulations state that vent pipes that are situated within 3m of an opening window must terminate at least 900mm above the eaves.
What is the minimum requirement for a soil vent above the window or roof.
Building regulations state that the opening of ventilating pipes should be located at least 900mm above any window in a building that is within three metres of the pipe.
Ventilating pipes should finish at least 900 mm above any opening within 3 m and should be finished with a wire cage or other perforated cover.
On a two storey building that generally means that the open end of the pipe will be above the level of the eaves.
From any vertical surface the soil pipe also known as the vent stack or stack pipe provides air for the plumbing system.
A note on the main drain.
According to the uniform plumbing code the soil pipe or stack pipe shall extend vertically not less than six 6 inches.
The reason for this is so than there are no foul or gas entering the house so that there are no illnesses occurring.
Where a roof is used for any purpose other than weather protection vents shall extend at least 7 feet above the roof and shall be properly supported.
A vent is usually located above the roof so odours and gases can escape harmlessly without causing a nuisance to the property occupiers or neighbours.
Above the roof nor less than one 1 foot.
Upc i 906 1 and 906 2.
Above the roof plumbing vent height.
Vent pipes should extend to outdoors above the building roof and should terminate vertically not less than 6 above the roof surface nor more than 24 and must be at least 12 from any vertical surface such as a nearby sidewall.
Does the vent pipe need to finish above the eaves.
12 4 4 location of vent terminal.
The minimum a soil pipe should be above an opening area is 100mm.
The re vent is the only exception since it runs horizontally.
Where is the best place to fit a waste outlet to a soil vent pipe.