Interlocking wood "bricks" that can assemble into a nail-and-glue-free house

I’m not a fan of wood shavings as insulation. Our house in Winnipeg where the winters are pretty cold was built in the 40s and had wood shavings. We did a lot of renovation on it, and when we opened up the walls - the wood shavings had settled down to the bottom 3rd of the wall. We replaced it all with fibre glass, which also doesn’t burn like wood shavings do.

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