Routing Plumbing Through Floor Joists

This is where plastic pipes come into their element to provide the perfect connection.

Routing plumbing through floor joists.

Running drainpipes through floor joists is more complicated than running them parallel to the joists. Discussion in plumbing and central heating started by woodbine 12 apr 2008. This allows plumbing to run from the basement to the attic. Keep the hole at least 2 in.

Running drainpipe through joists calls for meticulous work. The slope should be about 1 4 for each foot of pipe. 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. Copper plumbers have found these to be notoriously difficult to work with despite how cost effective the wooden joists are.

From the top and the bottom if it s a dimensional lumber joist. 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. 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. When you run your pipes through a joist you will have to be careful with your work.

I have. The chase can be stacked from floor to floor of the home. Routing shower waste through floor joists. 12 apr 2008 messages.

Away from the top and bottom. 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. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in. Where and how to drill joists for electrical cables or plumbing runs depends on what type of floor framing you have.

The chase is most commonly used for running new vent stacks. A chase is a false wall that creates a cavity used to conceal plumbing. Step 4 cut the holes. When fitting floors above ground level wooden joists have been extensively used in the past by those in the construction industry.