7 Best Of How To Stiffen Tji Joists Best Resolution Image. Add an additional row of fas-teners midway between the joists to pull the layers tightly together. It looks like to me you ned the 11-78.
Joist Specifiers Guide TJ-4000 February 2008 How to Use These Tables 1. Add an additional row of fas-teners midway between the joists to pull the layers tightly together. Scan down the column until you meet or exceed the span of your application.
Excellent for retrofitting your floors.
In a floor framed with sawn lumber blocking helps joists share loads so that a weaker joist may be reinforced by stronger joists on either side. Their purpose is to reinforce the webs of I-joists at different locations. Current installation is 14-inch TJI 210 16-inches apart on center with about a 20 foot span. Loads applied to a TJI.