Drilling Tji Floor Joists

How to drill a hole through the side of a floor joist.

Drilling tji floor joists.

The picture above shows what can happen when an untrained plumber is working on your home. Where and how to drill joists for electrical cables or. Holes anywhere in the web area of engineered i joists except within 6 in. Minimum distance from table b 1 round holes may be cut anywhere in web outside of hatched zone if.

But modern living requires electrical wiring and plumbing. Minimum applies to all holes except knockouts closely grouped round holes are. There are very specific locations and sizes in the code telling you what is allowed. In a perfect world floor joists are left whole to provide the greatest support.

Tji 110 tji 210 tji 230 tji 360 tji 560 and tji 560d joists. They are located 3 away horizontally edge to edge from a larger hole. 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. Away from the top and bottom.

Drill holes with a diameter of no more than one third the depth of the joist staying 2 in. Featuring trus joist tji joists for floor and roof applications uniform and predictable lightweight for fast installation resource efficient resists bowing twisting and shrinking significantly reduces callbacks available in long. Permitted if the group perimeter meets. Let s review what is wrong with this particular joist and discuss what the proper technique is for.

Drilling floor joists to run plumbing wiring or ducts can be tricky.