Running Conduit Through Roof

Lic conduit embedded within or directly underneath roof assemblies.

Running conduit through roof.

Running a vent pipe out of the roof takes some careful preparation. Self cutting or self drilling roof fasten ers can readily penetrate metals of these thicknesses. Also cutting and roof system removal. Remove the conduit center the strap between the marks and attach it with a screw.

Running conduit through roof reply 5 on. To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in. Check out our website photo gallery if you want to see more. Vent pipes provide this air by running outside the structure of the house.

Electrical conduit is metal or plastic pipe through which electrical wires are run. Conduit runs are hidden under the panels and inside attics not run over the top of the roof. August 02 2011 09 56 26 am author. By way of comparison the wall thick ness of 1 2 inch thick metallic conduit is comparable to the metal thickness of a 20 gauge steel roof deck.

It is also used in unfinished areas like basements crawlspaces and attics and for surface mounted installations outdoors. Seanb 1 don t forget the coil of cable and add a few ferrite toroids over the cable as well. Mounting conduit on existing flat roof any time you see a thin black line to the left of a paragraph in the nec it means that it s new or the wording has changed. We have literally hundreds of good photos.

When water drains air must replace the space that was taken up by the water. These hangers hold the conduit off the wall so it can run straight into boxes with no offset. Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe. If the vent pipe isn t installed properly the roof may leak through or around the pipe penetration leading to costly repairs.

Either rigid or flexible conduit protects the wires and is used in exposed locations such as along the exterior surface of a wall. Occasionally due to attic configuration or other challenges some visible conduit is unavoidable. A note on conduit. All will help attenuate the let through energy.