By Emily AndersonMore in Outdoors
Pressure washer with nozzle
Sandblaster attachment and baking soda (optional)
Broom or leaf blower
TIP: Pressure-washing can make a grimy concrete, paver, or stone walk look like new.
TIP: Do not power wash laminar sandstone.
1. Clear all obstacles from cleaning area.
2. Sweep or blow all loose debris from walk.
3. Dampen nearby vegetation and cover shrubs and flowers to prevent damage.
TIP: For residential cleaning, use electric power washer with at least 1000 PSI or gas-powered washer with at least 2000 PSI.
TIP: If mobility is issue, use gas-powered washer.
TIP: If walk is stained with hard contaminants like paint, use washer with higher pressure.
TIP: Nozzle with a 40-inch spray pattern gives optimal cleaning.
TIP: Wear protective goggles and clothing.
TIP: Never leave pressure washer running unattended.
TIP: Never point nozzle at person or animal.
TIP: Never point nozzle at house or vehicle.
TIP: Do not pressure wash stenciled or imprinted walks.
4. Test small area of walk before power washing.
1. Apply detergent and let sit for 5 to 10 minutes.
2. Set nozzle to high and use 40-inch spray.
3. Make sure nozzle is proper distance from walk.
TIP: If washer is less than 2000 PSI, nozzle should be 1 foot or closer to surface; for washers 2000 to 3000 PSI, 1 to 2 feet is optimal; nozzle on washers more than 3000 PSI should be 2 feet from surface.
Work section by section to wash off detergent.
TIP: Heavily soiled areas may need several passes or use sandblaster attachment with baking soda.
TIP: Spread unscented cat litter over grease or oil stains and leave for 5 minutes before cleaning.
TIP: Allow walk to dry for 48 hours before sealing or coating.
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