How High Above Roof For Vent Pipe

This may seem suitable since the only purpose for the stack is to provide air and expel sewer gases.

How high above roof for vent pipe.

Open vent pipes that extend through a roof shall be terminated at least 6 inches 152 mm above the roof or 6 inches 152 mm above the anticipated snow accumulation whichever is greater except that where a roof is to be used for any purpose other than weather protection the vent extension shall be run at least 7 feet 2134 mm above the roof. Above the roof nor less than one 1 foot. You are letting air into the plumbing system of the house. A vent terminal and depending if the roof is strictly for weather protection it terminates about 24 above the roof.

The 6 you describe should be just fine. If the pipe is farther than 10 feet from the roof peak it must be 2 feet above the highest point of the roof within 10 feet. In other words the highest point within a 10 foot circle of the pipe. Measure from the upper end of the connector to the underside of the roof flashing and add 16 inches.

That vent pipe leaving the upper right corner of the photo is on its way out through the roof. The top of the chimney should be at least 3 ft 0 92 m above the roof surface. The vent pipe rising above the tee is just 1 5 pipe and connects to another vent pipe that is coming up from the basement below. This specification makes sure steep roof slopes are cleared.

I have a main vent and a sink vent and both are only 6 high above the roof. Vertical blue line along the left side of the chimney in our photo. 2018 tim carter plumbing vent pipe is very important and supplies air from the atmosphere into the drain pipes. A vent stack is not like a chimney which requires 2 higher than any roof within 10.

If the roof area is for people then it is 7 ft above the roofing surface. This accounts for the 4 inch tapered head of the flashing and the minimum 12 inches of vent. The slope is about 4 high for every 12 horizontal.