Hello everyone, I just had a 30x30 slab poured for my new shop and I'm not happy with the finish of the concrete. A 24x30 section of the slab is for a barn he is also putting up, and the other 6x30 section is a patio up front. It was hotter than heck outside and the contractor said the concrete was curing too fast and they tried to get it as smooth as they could. The left half of the slab is nice and smooth and the right half is rough with rocks visible (not talking about the patio which has rocks as well, but the right side half of the slab). The contractor also said they had leftover concrete and we decided to pour a small square for a compressor outside, soon to find out, the contractor realized he forgot a form in the middle of the slab where it stepped down to the porch up front and had to tear the peice of wood out. It was too late to salvage the extra concrete that we poured for the compressor so he sent one of his guys to the store to get some readymix bags. To say the least, it looks terrible and the color of the concrete doesn't match, especially when wet. The readymix he used has started flaking off and is a darker color. The small indented area is for a 10x10 garage door and is crooked and off an inch on one side. A small peice of concrete just popped out and i can stick my knife into the dirt underneath. I know I have to wait 28 days before I can do anything to the slab. What should I do? Should I have him grind it down and polish it on his dollar or mine? I don't think I should be paying for his screw ups. Thank you.
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