How To Run Plumbing Through Floor Joist

The picture above shows what can happen when an untrained plumber is working on your home.

How to run plumbing through floor joist.

Here is a guide for running the pipes through joists. Drilling holes in joists for plumbing and pipes is easy and we show you how in this video. Can my husband drill through the joists to run the new pipe or will that weaken them. Make sure not to install joists so they run parallel to and directly under walls where you intend to install ductwork.

My husband and i are replacing a tub and the 2 in. From the top and the bottom if it s a dimensional lumber joist. Drilling floor joists to run plumbing wiring or ducts can be tricky. During the layout stage plan to run the drainpipes parallel to the floor joists when possible.

Drain needs to be routed through two 2 10 joists. If you need to run plumbing pipes through your home it is important that you know what you need and how to do the job without any problems that might cause damage to your walls and floors. Finally if all else fails drop your pipes and ducts down below the joists and box them in with wood framed. There are regulations in the uk you must follow in new build insta.

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. Rose sagady via email none. Editorial adviser mike guertin replies. Running drainpipe through joists calls for meticulous work.

There are very specific locations and sizes in the code telling you what is allowed. The international building code irc has specific guidelines with illustrations for. An important step in running drain lines occurs on paper before the actual plumbing begins. 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.

Where and how to drill joists for electrical cables or plumbing runs depends on what type of floor framing you have. Position bathroom vent fans so the ducts can run parallel to the joists right up to where they exit the house.