Couple weeks ago came across an ICF project in SE Kansas, an addition to a church. No one around to talk to, but noted the corners weren't made of one piece style block most ICF companies make. I saw it was Fold Form block which has a relationship with Owens Corning. The O-Corning website has a video for your viewing pleasure which shows how to assemble the corner "block". You might want to see it. All I will say is I thought the project corners were made with straight blocks cut to length and must have been braced like crazy to stay put. Web site is
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