Running Wires Through A Roof

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.

Running wires through a roof.

This is the least favorable option as it is not reversible. As soon as you have a hole you are providing a path for water. Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe. Protect the wall with a thin piece of cardboard etc.

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. Please refer to these above options as a guide only. And while loosely guiding the bit with one hand apply even pressure with the other holding the drill while running it.

Drilling through the roof. 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. 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. Be sure to check out the latest gear i use on my adventures.

Organizing roof wires into plastic flex tubing screwing to roof and sealing before it rains. Better to come out of wall then go up to the roof. 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. To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.