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Old 11-01-2017, 11:29 PM   #19
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Join Date: Dec 2015
Location: Berkeley, CA
Posts: 980
Originally Posted by Steve
The joists are MacMillan TJI/Pro 150 11-7/8, if that matters.
Google turns up the Weyerheuser spec sheet on these as the first hit. Give them a call and see what they say; if you do, please let us know their response.

Annoyingly, the spec sheet says "Bridging or mid-span blocking is not required but may enhance floor performance if properly installed" but doesn't provide a detail on how to do it, as far as I can see.

Cheers, Wayne
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