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Former Cold-room, current normal room, future book nook. Thanks
(thelemmy.club)
By way of thanks I offer pictures of this crazy job. I ended up having to run a hose into my house to soak the dryset quickerete. I don't care what anyone says I'm not mixing cement in my house. The whole slab is supported on top of 2" floor insulation on top of a leveled bed of crusher dust.
Addition photos in comments
Young kids and I need the space for stuff other than storing potatoes unfortunately.
The floor changes nothing though, and it's a billion times better now. Nothing stopping me in future ripping all the insulation out. Venting it to the outside again