Posted 11/18/2017 20:59 (#6374227 - in reply to #6374123) Subject: RE: Pouring concrete shop floor with freezing temps
Central ND
We built a new shop a couple years ago. Poured the end of June, had heat running end of October. I would think as long as you kept the water temp around 60°F it would be fine. Freshly poured concrete in the dead of summer almost certainly gets up to 80 or 90° unless you keep it wet.