[Greenbuilding] Redoing all floors

[Sacie Lambertson]

Aside from normal settling, wonder how much rebar went into that floor and
whether the only 2" slab had anything to do with the cracking?  We have 3"
concrete over foam (heat in floor too), that over steel joists, lots of
joints cut, with minimal and acceptable hairline cracks.  Maybe more than
normal settling too--how are the basement walls?  Sacie
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