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Unread 01-22-2019, 11:54 PM   #46
jadnashua
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

 
Join Date: Jul 2004
Location: Nashua, NH
Posts: 13,268
The majority of the strength is in the top and bottom of the board...the middle just holds them in place. AN I-joist is an extreme example of that effect, which is why you don't want holes near the edges. I would use smaller diameter fasteners and keep them away from the edges so you're cutting the minimum number of strands of the wood in those critical edge areas.
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Jim DeBruycker
Not a pro, multiple Schluter Workshops (Schluterville and 2013 and 2014 at Schluter Headquarters), Mapei Training 2014, Laticrete Workshop 2014, Custom Building Products Workshop 2015, and Longtime Forum Participant.
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