Saw this in an inspection of a modular home today; all indications are that it was done in the factory, not after the home was set on the foundation. General guidelines don’t recommend these cuts, but there’s no way to remedy this now. Thoughts on a comment for the report?
The web of engineered I-joist can be cut. The top and bottom flanges can not.
Though it’s best practice to leave a little bit of the web, an 1/8 inch or so at the top and bottom. They completely cut these out.
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Reuben Saltzman has specific rules by manufacturer.
One common example is TrusJoist (I can’t read your manufacturer.):
TrusJoist.pdf (1.4 MB)
They may have lleft the 1/8” minimum that is required:
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