Drilling Tji Floor Joists

In a perfect world floor joists are left whole to provide the greatest support.

Drilling tji floor joists.

Holes anywhere in the web area of engineered i joists except within 6 in. Away from the top and bottom. Of walls and rim joists. There are very specific locations and sizes in the code telling you what is allowed.

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. Tji 110 tji 210 tji 230 tji 360 tji 560 and tji 560d joists. How to drill a hole through the side of a floor joist.

Minimum distance from table b 1 round holes may be cut anywhere in web outside of hatched zone if. They are located 3 away horizontally edge to edge from a larger hole. Where and how to drill joists for electrical cables or. Drill holes with a diameter of no more than one third the depth of the joist staying 2 in.

Refer to the hole chart on page 9 of the tji specifiers guide for uniformly loaded joists. 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. But modern living requires electrical wiring and plumbing. Minimum applies to all holes except knockouts closely grouped round holes are.

Trus joist tji joists.