Drilling Silent Floor Joists

Ilevel trus joist tji joist specifier s guide tj 4001 march 2007 11 how to use these tables 1.

Drilling silent floor joists.

Of walls and rim joists. Let s review what is wrong with this particular joist and discuss what the proper technique is for. However a totally squeak free floor is dependent upon other components of the floor system as well this guide addresses the. The picture above shows what can happen when an untrained plumber is working on your home.

Fire safe construction 3 floor performance and tj pro rating 4 5 section 1. A properly installed silent floor system will ensure a squeak free floor due to the dimen sional and structural uniformity of the tji joists. Drilling floor joists to run plumbing wiring or ducts can be tricky. Joist and the sheathing a common source of squeaks.

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. Scan horizontally until you intersect the cor rect hole size. Jay having used silent floor joists for several years i m well aware of their advantages and limitations.

Unfortunately unless you are standing there guiding the subcontractor my strategy you often wind up with improper cuts. Aug 26 2011 03 01 am. 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. Where and how to drill joists for electrical cables or.

Trus joist tji joist specifier s guide tj 4000 july 2019. There are very specific locations and sizes in the code telling you what is allowed. 9 16 tji joists design properties 6 floor span and load tables 7 8 tips for preventing floor noise 8 allowable holes 9 cantilevers 10 11 roof span and load tables 12 13 framing.