We had installed an exposed aggregate concrete patio and walkway about 20 years ago. They were both tilting so we called for an estimate to get them leveled. We were advised that the patio was okay for now, and I appreciated the honesty. The walkway was raised (by as much as a foot on one end) and is now level. I appreciated how patient John was with my phone calls (I nagged him for dates, but it was one of the wettest falls on record). I would gladly use this company again.