Routing Plumbing Through Floor Joists

The problem is that the old tub had a drain on the left side.

Routing plumbing through floor joists.

Copper plumbers have found these to be notoriously difficult to work with despite how cost effective the wooden joists are. Each joist must have a separate notch or hole and each hole should be about 1 4 inch larger. 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. The chase can be stacked from floor to floor of the home.

Step 4 cut the holes. Where and how to drill joists for electrical cables or plumbing runs depends on what type of floor framing you have. Away from the top and bottom. Plumbing and piping routing tub drain through floor joists i am replacing a standard tub in my bathroom with an aquatic century tub.

Running drainpipes through floor joists is more complicated than running them parallel to the joists. Keep the hole at least 2 in. I have. 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.

Running drainpipe through joists calls for meticulous work. From the top and the bottom if it s a dimensional lumber joist. 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. 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 you run your pipes through a joist you will have to be careful with your work. 12 apr 2008 messages. Discussion in plumbing and central heating started by woodbine 12 apr 2008. A chase is a false wall that creates a cavity used to conceal plumbing.

This allows plumbing to run from the basement to the attic. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in. The chase is most commonly used for running new vent stacks. The slope should be about 1 4 for each foot of pipe.