How Far Should A C Pipe Be From Roof

They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.

How far should a c pipe be from roof. Purlins are 2 by 4 feet and are installed much like metal roofing. The vent opening must be far enough above the roof and away from doors and windows to prevent the sewer gases from drifting into the house. 6 12 minimum chimney height. Metal roof purlins are installed horizontally under metal roofs.

The code requires a 10 foot horizontal distance from any. In canada the national plumbing code requires that the minimum trap arm be at least 2 times the pipe diameter e g 1 25 inch pipe needs a 2 5 inch trap arm 1 5 pipe needs a 3 inch trap arm etc and that the vent pipe be one size larger than the drain that it serves also a cleanout is required on both the vent and the drain. Obviously look to take out the palm trees to the west as well. 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.

In your situation the minimum height of your chimney above the eaves should be the following depending on your roof pitch. First you ll need to know the pitch of your roof. If the pipe is farther than 10 feet from the roof. 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.

Additionally the vent runs up the wall just outside the back door so the vent is also within 3m of the door. Thanks for the suggestions. 6 minimum or 6 higher than snow accumulation for the geographic area. 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.

My understanding is that the chimney should be at least 2 feet higher than any part of the roof within 10 feet of the chimney. They give added support to the roof and also provide a nailing surface for the end panels and drip edge. I didn t know it was relevant but the vent is exiting the roof just about 400 mm from a gutter. Roof pitch is easily calculated and if you don t know how read my article understanding and calculating roof pitch.

I guess then from what i ve read here the vent should be minimum of 600mm high.