Gas Lines On Roof

Running gas lines on flat roof.

Gas lines on roof.

From 1 2 to 1 1 2 pipe the face of a fitting to face of another fitting you add 3 4. Definitely needed a permit and the inspection included a gas leak test before we could hook up our stove. Branch lines run to individual appliances. Buy the right gas pipes and fittings for the job.

It just sits on pieces of 4x4 on the roof. The branch line terminates in a drop line which is a vertical pipe dropping down to the appliance from an overhead branch line. But a ground union is allowed outdoors. 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.

Obviously you need to reseal the roof around the pipe entry point. We will discuss some of the basics of inspecting gas piping. 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. The piping inside the house is called the gas supply line or building line.

It extends straight up through the soffit across the roof and is run down into the home at various points. Supply branch and drop lines or risers. Are we talking a ground union typically unions are only allowed at the fixture and meter. Gas furnaces stove dryer i have never seen gas piping run across a roof like this.