Pressure-washing can make a grimy concrete, paver, or stone walk look like new.
Do not power wash laminar sandstone.
For residential cleaning, use electric power washer with at least 1000 PSI or gas-powered washer with at least 2000 PSI.
If mobility is issue, use gas-powered washer.
If walk is stained with hard contaminants like paint, use washer with higher pressure.
Nozzle with a 40-inch spray pattern gives optimal cleaning.
Wear protective goggles and clothing.
Never leave pressure washer running unattended.
Never point nozzle at person or animal.
Never point nozzle at house or vehicle.
Do not pressure wash stenciled or imprinted walks.