Gas Lines On Roof

The branch line terminates in a drop line which is a vertical pipe dropping down to the appliance from an overhead branch line.

Gas lines on roof.

We had a gas line run over the roof and down into a kitchen wall when we redid our kitchen. Branch lines run to individual appliances. Obviously you need to reseal the roof around the pipe entry point. Supply branch and drop lines or risers.

Sent this to my hvac guy who agrees that it is non standard install but not illegal. The piping inside the house is called the gas supply line or building line. From 1 2 to 1 1 2 pipe the face of a fitting to face of another fitting you add 3 4. Are we talking a ground union typically unions are only allowed at the fixture and meter.

Buy the right gas pipes and fittings for the job. It just sits on pieces of 4x4 on the roof. We will discuss some of the basics of inspecting gas piping. Gas furnaces stove dryer i have never seen gas piping run across a roof like this.

It extends straight up through the soffit across the roof and is run down into the home at various points. Definitely needed a permit and the inspection included a gas leak test before we could hook up our stove. Running gas lines on flat roof. But a ground union is allowed outdoors.