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Friday Fun Thread for January 30, 2026

Be advised: this thread is not for serious in-depth discussion of weighty topics (we have a link for that), this thread is not for anything Culture War related. This thread is for Fun. You got jokes? Share 'em. You got silly questions? Ask 'em.

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Here's everything I read in January 2026, ordered from most to least interesting. I posted this on /r/slatestarcodex earlier, but figured the overlap between here and there is small enough that it would be of some value to post here as well.

You Will Not Have a Flat Floor: You can shim all you want and it still won't be flat.

Are joisted floors still a thing in the US? Here slab floors are much more common, even in wooden frame houses. Paging @ToaKraka

According to the US Census Bureau, of all single-family houses completed in year 2024:

Do you not add a mineral layer over the joists of the second floor in the US?

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For tile, specifically, you'll usually see some waterproof membrane or backing board, leveled with grout of self-leveling concrete, then using thinset to keep the tile attached, and the finally grout to interfere the gaps.

I don't think I've ever seen that used for carpet, hardwood, or linoleum, and at least in my neck of the woods tile is rare outside of restrooms and kitchens. Both my current house, last rental, and several of the other houses I'd looked at when in the market had joisted floors, though I was specifically looking for houses with a basement.