Vent Pipe Height Above Roof

The re vent is the only exception since it runs horizontally.

Vent pipe height above roof.

Above the roof nor less than one 1 foot. On a sink that would be either the rim or overflow hole. 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.

This may seem suitable since the only purpose for the stack is to provide air and expel sewer gases. All open vent pipes that extend through a roof shall be terminated at least 6 inches 152 mm above the roof and not less than 2 inches 51 mm above the invert of the emergency overflow except that where a roof is to be used for any purpose other than weather protection the vent extensions shall be run at least 7 feet 2134 mm above the roof. For 18 feet of run you would have a rise of 72 inches. Above the roof plumbing vent height.

For those stinky vents consider installing odor hog vent caps see image on the roof vents. Let s look at a couple of examples. 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. Upc i 906 1 and 906 2.

Single wall metal pipe shall terminate at least 5 feet 1524 mm in vertical height above the highest connected equipment draft hood outlet or flue collar. Vent pipes shall be extended separately or combined of full required size not less than 6 inches 152 mm above the roof or fire wall. Many people mistakenly think that the pipe always has to be 2 feet above the roof peak. From any vertical surface the soil pipe also known as the vent stack or stack pipe provides air for the plumbing system.

We install our roof vents 6 to 8 inches above the roof line. Flagpoling of vents shall be prohibited except where the roof is used for assembly purposes or parking.