How High Should A Vent Pipe Be Above The Roofline

Watch my vent piping video below.

How high should a vent pipe be above the roofline. Vent pipes allow air into the plumbing system. Also you ll need the horizontal distance between the peak and the edge of the high side of the pipe see figure 1 where you plan your roof penetration. The top of a chimney pipe must extend at least 2 feet above the peak of the roof if the pipe is within 10 feet of the peak. The vent pipes must have a slope to drain condensation water revised february 2018.

This may seem suitable since the only purpose for the stack is to provide air and expel sewer gases. If the pipe is farther than 10 feet from the roof. Upc i 906 1 and 906 2. Depending on your region the vent stack may protrude only a few inches above the surface of the roof.

The soil pipe also known as the vent stack or stack pipe provides air for the plumbing system. 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. Plumbing vent pipe is very important and supplies air from the atmosphere into the drain pipes. Tom francis on august 10 2018 at 9 54 am any vent pipe termination should be at least 2 feet above any opening to the home.

Above the roof plumbing vent height. We ll go over the math a little further down. Plumbing vent pipe tips. Here is the code cpc sect.

906 1 each vent pipe or stack shall extend through its flashing and shall terminate vertically not less than six 6 inches above the roof nor less than one 1 foot from any vertical surface. But the pipe must be 10 away from any windows the overlook the vent. First let s go over the 10 and 2 rule see figure 2. Normally radon vent pipes should be terminated above the roof line to prevent it from getting back into the house.

906 2 each vent shall terminate not less than ten 10 feet from or at least three 3 feet above any openable window door opening air intake or vent.