CRC repaired my driveway last December. I was disappointed because it looked as if they had raised the slab too high, but I didn't complain because I figured there was nothing they could do about it. However, their customer rep recently called me because I only gave them a four-star review. I explained my problem and they sent repair people two days later. It turned out the problem was that an adjacent slab had sunk. They raised that slab at no additional cost. These folks are super!