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Unread 07-28-2015, 07:22 PM   #8
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

Join Date: Jul 2004
Location: Nashua, NH
Posts: 14,323
The stuff has a pretty significant compression load capacity, but by no means would it hold a screw. Depending on the materials used and how dry they were, they may have dried out in that timeframe and could either shrink a bit or warp or twist. That's always a hassle with wood. Also, not knowing if it may have rained on the way from the lumber yard, or sat outside in the rain before installation, another hassle - the wood could have been soaked.

On thicker sections, like say on a foam curb, Schluter showed routing a pocket and thinsetting in a section of acrylic cutting board that would hold a screw, but you don't have enough material to do that with a typical 1/2" KerdiBoard wall panel.
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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