Same problem actually. Basically, the Hearthlings can’t reach the blocks in these cases and ultimately don’t finish the roof, I think maybe the AI wants them to build walls first, then get to the roof. If they can’t get to the wall, they will never attempt to finish the roof. Just my thoughts on this. If you change the roof so that there aren’t any wall blocks floating that Hearthlings can’t reach, it builds fine.
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