But modern living requires electrical wiring and plumbing.
Drilling tji floor joists.
Let s review what is wrong with this particular joist and discuss what the proper technique is for.
Drill holes with a diameter of no more than one third the depth of the joist staying 2 in.
Away from the top and bottom.
They are located 3 away horizontally edge to edge from a larger hole.
How to drill a hole through the side of a floor joist.
Minimum applies to all holes except knockouts closely grouped round holes are.
Holes anywhere in the web area of engineered i joists except within 6 in.
Often hole size can be increased and holes can be placed closer to bearing than shown on the chart based on actual design spans and loads.
In a perfect world floor joists are left whole to provide the greatest support.
Of walls and rim joists.
The picture above shows what can happen when an untrained plumber is working on your home.
Drilling floor joists to run plumbing wiring or ducts can be tricky.
Trus joist tji joists.
Refer to the hole chart on page 9 of the tji specifiers guide for uniformly loaded joists.
There are very specific locations and sizes in the code telling you what is allowed.
Where and how to drill joists for electrical cables or.
Tji 110 tji 210 tji 230 tji 360 tji 560 and tji 560d joists.