Thanks for the reply. He does have control joint. It even crack on the smallest slab that is only 5x8. THat why it drive me naughts. Concrete sucks. but what it is, is what it is. Thanks
hi,
I got my concrete pour in 5 sacks about 14 yards. After the contactor finish pouring the slab. I started to see hair line crack through out the drive way. Why is that. He said sometime it has that crack.