Gas Lines On Roof

We will discuss some of the basics of inspecting gas piping.

Gas lines on roof. Obviously you need to reseal the roof around the pipe entry point. Sent this to my hvac guy who agrees that it is non standard install but not illegal. Gas furnaces stove dryer i have never seen gas piping run across a roof like this. Most domestic gas lines use 1 2 inch 1 27 cm through 1 1 2 inch 3 81 cm black pipe while large commercial projects sometimes use larger fittings up to 8 inch.

Buy the right gas pipes and fittings for the job. Branch lines run to individual appliances. Definitely needed a permit and the inspection included a gas leak test before we could hook up our stove. I ran across this gas piping yesterday.

Supply branch and drop lines or risers. We had a gas line run over the roof and down into a kitchen wall when we redid our kitchen. From 1 2 to 1 1 2 pipe the face of a fitting to face of another fitting you add 3 4. Section 2401 1 101 2 governs the applicability of the provisions of chapter 24 which covers fuel gas piping systems fuel gas appliances and related accessories venting systems and combustion air configurations that are most commonly found in single family and duplex type dwelling structures.

It extends straight up through the soffit across the roof and is run down into the home at various points. But a ground union is allowed outdoors. It just sits on pieces of 4x4 on the roof. Running gas lines on flat roof.