Shower Waste Through Floor Joists

Where and how to drill joists for electrical cables or.

Shower waste through floor joists. If your shower tray is a long way from the external wall where the waste pipe needs to go and the waste pipe will have to be threaded through several joists due to their orientation then it may be worth raising the tray up and running it above the floor this will be easier to do will maintain the structural integrity of your floor joists. Of walls and rim joists. Running drainpipes through floor joists is more complicated than running them parallel to the joists. Are there regulations as to how deep these notches can be cut.

Each joist must have a separate notch or hole and each. They seem to have cut very large notches through the joist. Away from the top and bottom. The pipe is supposed to run all the way across the joists as i did not want an over the floor boxing for the pipes.

Running drain lines through joists. Sound advice much appreciated. Feb 5 2011 thread starter. Fitting a shower tray directly onto 9 x 3 joists.

Holes anywhere in the web area of engineered i joists except within 6 in. Just go and find an old weathered piece of 40mm pipe and drill through the joists. Drilling pipes through the joists example shower tray waste pipe through joist. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in.

If you have any problems down the line just say that you connected the shower waste on to and existing pipe. 20mm pipes only through joists waste pipes are too much. Maximum depth of notch in a floor joist is 1 8th of the depth of the joist so in a 200mm joist 8 a 25mm 1 notch is allowed in a 150mm 6 joist it s just 18 75mm 3 4.