How High Should A Vent Pipe Be Above The Roof

Each fixture needs to be vented properly.

How high should a vent pipe be above the roof.

If the pipe is farther than 10 feet from the roof. And if you want to run the pipe out away from the house if must vent 10 above the ground. This specification makes sure steep roof slopes are cleared. If the roof area is for people then it is 7 ft above the roofing surface.

For gas vents or a type l vent this distance above the roof surface must be at least 2 ft 0 61m. The soil pipe also known as the vent stack or stack pipe provides air for the plumbing system. The vent pipes must have a slope to drain condensation water revised february 2018. But the pipe must be 10 away from any windows the overlook the vent.

Vent pipes allow air into the plumbing system. You can use a 1 story roof like a garage roof on a one story home. This may seem suitable since the only purpose for the stack is to provide air and expel sewer gases. Plumbing vent pipe is very important and supplies air from the atmosphere into the drain pipes.

So take the top number of your roof pitch and multiply it by 10 then add 24 note example 1. The top of the chimney should be at least 3 ft 0 92 m above the roof surface. The slope is about 4 high for every 12 horizontal. Watch my vent piping video below.

I have a main vent and a sink vent and both are only 6 high above the roof. If running the pipe along side a window the exhaust point must be 2 above it and 12 above the eve too. How high should the plumbing vents be above there roof. Vertical blue line along the left side of the chimney in our photo.

Plumbing vent pipe tips. Depending on your region the vent stack may protrude only a few inches above the surface of the roof.