Check the frequency and depths of the control joints/sawcuts they installed for your driveway. They all are subject to industry standards. A driveway that is 4" thick should have control joint/sawcu ... read more
Hello Bin,
If you have not done so already, it helps to drain the system at the lowest point. Meaning apply the shut off valve first, open the faucet at the lowest point (usually in the basement or ... read more