Drilling A Hole In A Floor Joist
Away from the top and bottom.
Drilling a hole in a floor joist. The diameter of holes shall not be greater than 1 3 the depth of the floor joists. But modern living requires electrical wiring and plumbing. As part of any new installation work or a re wire a cable trunking or cable tray sometimes has to pass through an element of building construction such as a floor wall or beam necessitating the formation of a notch or opening in the element. For a 2 10 where actual depth is 9 25 inches the maximum allowable hole diameter would be just over three inches.
Of walls and rim joists. If you have manufactured floor joists you will want to consult the particular manufacturer s literature. Where and how to drill joists for electrical cables or. Holes anywhere in the web area of engineered i joists except within 6 in.
How to drill a hole through the side of a floor joist. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in.