Hi, I'm the OP. I only just saw your post. I haven't made the foundations as yet. What a great idea--a concrete free footing. Have you got any experience with these? I wonder if they would be good for a pier or if they only got their increased strength when a few were laid down and connected by beams, as per their intended purpose? I do like the idea of being able to remove it if needed (although it would be highly unlikely that this would need to be done)
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