Routing Plumbing Through Floor Joists

When you run your pipes through a joist you will have to be careful with your work.

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. Discussion in plumbing and central heating started by woodbine 12 apr 2008. 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.

The chase is most commonly used for running new vent stacks. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in. 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. 12 apr 2008 messages.

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. 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.

Running drainpipes through floor joists is more complicated than running them parallel to the joists. The chase can be stacked from floor to floor of the home. 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.

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. Running drainpipe through joists calls for meticulous work. I have.

Away from the top and bottom. The slope should be about 1 4 for each foot of pipe. Each joist must have a separate notch or hole and each hole should be about 1 4 inch larger. Step 4 cut the holes.