Routing Plumbing Through Floor Joists

Where and how to drill joists for electrical cables or plumbing runs depends on what type of floor framing you have.

Routing plumbing through floor joists.

When fitting floors above ground level wooden joists have been extensively used in the past by those in the construction industry. The slope should be about 1 4 for each foot of pipe. 12 apr 2008 messages. Step 4 cut the holes.

The problem is that the old tub had a drain on the left side. Copper plumbers have found these to be notoriously difficult to work with despite how cost effective the wooden joists are. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in. Away from the top and bottom.

From the top and the bottom if it s a dimensional lumber joist. The holes must follow a straight line across the floor and must ascend or descend so the pipe will be sloped 1 4 inch per foot. Keep the hole at least 2 in. A chase is a false wall that creates a cavity used to conceal plumbing.

The chase can be stacked from floor to floor of the home. This is where plastic pipes come into their element to provide the perfect connection. When you run your pipes through a joist you will have to be careful with your work. Running drainpipes through floor joists is more complicated than running them parallel to the joists.

Running drainpipe through joists calls for meticulous work. I have. If joists are 16 inches on center and pipes run across them at a right angle holes should differ in height by about 3 8 inch. The holes will have to follow a straight line that goes across the floor and has to either go up or go down so the pipe has a slope.

Each joist must have a separate notch or hole and each hole should be about 1 4 inch larger. Plumbing and piping routing tub drain through floor joists i am replacing a standard tub in my bathroom with an aquatic century tub. Routing shower waste through floor joists. This allows plumbing to run from the basement to the attic.