Routing Plumbing Through Floor Joists

Keep the hole at least 2 in.

Routing plumbing through floor joists.

Each joist must have a separate notch or hole and each hole should be about 1 4 inch larger. Copper plumbers have found these to be notoriously difficult to work with despite how cost effective the wooden joists are. Running drainpipe through joists calls for meticulous work. Discussion in plumbing and central heating started by woodbine 12 apr 2008.

Running drainpipes through floor joists is more complicated than running them parallel to the joists. The slope should be about 1 4 for each foot of pipe. The chase can be stacked from floor to floor of the home. 12 apr 2008 messages.

From the top and the bottom if it s a dimensional lumber joist. I have. This is where plastic pipes come into their element to provide the perfect connection. Engineered floor joists can be drilled only according to their manufacturer s guidelines the code specifies the maximum size of the holes you can drill or the notches you can cut where you can and can t place them and how far.

Where and how to drill joists for electrical cables or plumbing runs depends on what type of floor framing you have. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in. 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. A chase is a false wall that creates a cavity used to conceal plumbing.

Routing shower waste through floor joists. This allows plumbing to run from the basement to the attic. 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. When fitting floors above ground level wooden joists have been extensively used in the past by those in the construction industry.

Step 4 cut the holes. Plumbing and piping routing tub drain through floor joists i am replacing a standard tub in my bathroom with an aquatic century tub. The chase is most commonly used for running new vent stacks. The problem is that the old tub had a drain on the left side.