Routing Plumbing Through Floor Joists

The chase is most commonly used for running new vent stacks.

Routing plumbing through floor joists.

Away from the top and bottom. Where and how to drill joists for electrical cables or plumbing runs depends on what type of floor framing you have. This is where plastic pipes come into their element to provide the perfect connection. Discussion in plumbing and central heating started by woodbine 12 apr 2008.

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. From the top and the bottom if it s a dimensional lumber joist. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in.

The slope should be about 1 4 for each foot of pipe. 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. Keep the hole at least 2 in. The chase can be stacked from floor to floor of the home.

When you run your pipes through a joist you will have to be careful with your work. 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. Routing shower waste through floor joists. A chase is a false wall that creates a cavity used to conceal plumbing.

Running drainpipes through floor joists is more complicated than running them parallel to the joists. The problem is that the old tub had a drain on the left side. Each joist must have a separate notch or hole and each hole should be about 1 4 inch larger. I have.

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. Running drainpipe through joists calls for meticulous work. Copper plumbers have found these to be notoriously difficult to work with despite how cost effective the wooden joists are. 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.