How High Should A Vent Pipe Be Above The Roof

Plumbing vent pipe is very important and supplies air from the atmosphere into the drain pipes.

How high should a vent pipe be above the roof. The vent pipes must have a slope to drain condensation water revised february 2018. The top of the chimney should be at least 3 ft 0 92 m above the roof surface. Watch my vent piping video below. This may seem suitable since the only purpose for the stack is to provide air and expel sewer gases.

This specification makes sure steep roof slopes are cleared. And if you want to run the pipe out away from the house if must vent 10 above the ground. The slope is about 4 high for every 12 horizontal. For gas vents or a type l vent this distance above the roof surface must be at least 2 ft 0 61m.

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. If your calculated required height falls below 36 inches 3 feet then as per our rule it must be a minimum of 3 feet on the high side of the pipe penetration. Vent pipes allow air into the plumbing system.

If running the pipe along side a window the exhaust point must be 2 above it and 12 above the eve too. 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. A vent terminal and depending if the roof is strictly for weather protection it terminates about 24 above the roof. How high should the plumbing vents be above there roof.

If the pipe is farther than 10 feet from the roof. Plumbing vent pipe tips. Each fixture needs to be vented properly. Vertical blue line along the left side of the chimney in our photo.

But the pipe must be 10 away from any windows the overlook the vent. You can use a 1 story roof like a garage roof on a one story home.