Can Pex Be Run Through Floor Joists

The maximum allowable diameter of a hole in any solid-lumber joist is one-third of the joist’s depth. Notches can’t be deeper than one-sixth of the joist depth. … Although notches aren’t allowed in the center third of a joist’s length, you can drill holes anywhere along the length of the floor joist in that 5 1⁄4-in.

Can water lines go through floor joists?

The maximum allowable diameter of a hole in any solid-lumber joist is one-third of the joist’s depth. Notches can’t be deeper than one-sixth of the joist depth. … Although notches aren’t allowed in the center third of a joist’s length, you can drill holes anywhere along the length of the floor joist in that 5 1⁄4-in.

Can you plumb a house with 1/2 inch PEX?

PEX Diameter PEX tubes range in diameter from 3/8-inch to 1-inch for residential applications. For adequate water flow, it’s a good idea to install 1/2-inch or 3/4-inch PEX for your main lines. The standard when replacing old water supply lines with PEX is to use the same size.