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Technical Bulletin (TB-IJ-9), Adding web filler for 2-ply (double member) IB I-joists with 2×4 flanges
When adding web filler for 2-ply (double member) IB I-joists with 2×4 flanges, it can be less labor-intensive to use dimensional lumber rather than cut structural wood panel to depth. The new TB-IJ-9 provides an alternate to the structural wood panel filler indicated in the IB literature.
A PDF of the Technical Bulletin (TB-IJ-9), IB LVL Ledger Fastening can be viewed or downloaded at: