This may seem suitable since the only purpose for the stack is to provide air and expel sewer gases.
Vent stack height above roof.
Above the roof plumbing vent height.
Dubldare mn mn code requires at least one 3 vent stack carried full size through the roof.
A relief vent shall be provided.
C the vent pipe is increased to not less than 3 in.
The stack vent shall be permitted to connect with other stack vents and vent stacks in accordance with section 904 5.
And aavs on the branches.
This does not mean a few smaller vents 1 1 2 2 connecting and then increasing to 3 through the roof it means at least one soil or waste stack extending through the roof with a minimum diameter of 3.
913 4 waste stack size.
Vent hight above roof cold climate.
The soil pipe also known as the vent stack or stack pipe provides air for the plumbing system.
When a horizontal branch connects to a stack more than four 4 branch intervals from the top of the stack.
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.
Flagpoling of vents shall be prohibited except where the roof is used for assembly purposes or parking.
Offsets shall be permitted in the stack vent shall be located not less than 6 inches 152 mm above the flood level of the highest fixture and shall be in accordance with section 905 2.
4 except for a fresh air inlet where a vent pipe is terminated in open air the terminal shall be located.
Vents within 10 feet 3048 mm of a part of the roof that is used for assembly purposes or parking shall.
The slope is about 4 high for every 12 horizontal.
Depending on your region the vent stack may protrude only a few inches above the surface of the roof.
Plumbing vent height above sloped roof i have a main vent and a sink vent and both are only 6 high above the roof.
Hj az as long as it is above the minimum and below the maximum if you have one we do not then it makes no difference how far it sticks above the roof and it makes no difference if it is higher or lower than the other one either.
Upc i 906 1 and 906 2.