Running Wires Through A Roof

Please refer to these above options as a guide only.

Running wires through a roof.

Better to come out of wall then go up to the roof. Additionally if you ever need to redo the roof it will be a pain to deal with the wires that are now in the way. You can seal it but it s always going to be a weak spot. I did a painstaking process of trying to wire up a new power panel in our rv.

If drilling up through the ceiling expect to pass through a thin coat of plaster and 5 8 of sheet rock and 1 2 inch 1 3 cm of strapping to which the sheet rock is secured. Protect the wall with a thin piece of cardboard etc. To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in. Drilling through the roof.

The best way is to go around the roof not through it. Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe. Be sure to check out the latest gear i use on my adventures. This option is quite self explanatory where a hole is simply drilled through the outer roof skin and wires passed through a rubber grommet into the roof cavity and fed down into the vehicle.

This is the least favorable option as it is not reversible. Organizing roof wires into plastic flex tubing screwing to roof and sealing before it rains. If the sites that you want to run wire to are on the outside of the house you should not need to drill a new hole. When cutting through drywall from the interior of a room use a utility knife and cut carefully you don t want to drill through a hidden wire or the paper backing of the attic insulation.