However a totally squeak free floor is dependent upon other components of the floor system as well this guide addresses the.
Drilling silent floor joists.
Trus joist tji joist specifier s guide tj 4000 july 2019.
A properly installed silent floor system will ensure a squeak free floor due to the dimen sional and structural uniformity of the tji joists.
Away from the top and bottom.
Drilling floor joists to run plumbing wiring or ducts can be tricky.
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.
Scan horizontally until you intersect the cor rect hole size.
Holes anywhere in the web area of engineered i joists except within 6 in.
Let s review what is wrong with this particular joist and discuss what the proper technique is for.
Using table a table b or both if required determine the hole shape size and select the tji joist and depth.
Jay having used silent floor joists for several years i m well aware of their advantages and limitations.
Of walls and rim joists.
Fire safe construction 3 floor performance and tj pro rating 4 5 section 1.
Joist and the sheathing a common source of squeaks.
There are very specific locations and sizes in the code telling you what is allowed.
Refer to the hole chart on page 9 of the tji specifiers guide for uniformly loaded joists.
Drill holes with a diameter of no more than one third the depth of the joist staying 2 in.
Ilevel trus joist tji joist speciļ¬er s guide tj 4001 march 2007 11 how to use these tables 1.
Unfortunately unless you are standing there guiding the subcontractor my strategy you often wind up with improper cuts.
The picture above shows what can happen when an untrained plumber is working on your home.