Pressure Cleaning Concrete Driveway

Stains on concrete are not only unsightly but can also weaken the surface of your driveway.

Pressure cleaning concrete driveway.

The wide pattern spray tips are lower pressure and the narrow pattern tips are for tough stains but are capable of marking concrete. Before attempting driveway pressure cleaning first clear your driveway of cars or objects and sweep away loose dirt or stones to ensure you don t blow debris where you don t want it to go. A fan tip works best on a concrete driveway. Use a polymer sand which contains a special polymeric additive that binds and hardens the sand and helps to prevent erosion.

While the color will eventually fade from concrete you can help hurry the process along with a little bit of driveway cleaning. Hot water can improve the cleaning power of the pressure washer. Pressure wash concrete by holding down spray handle working your way back and forth from one side of concrete surface to the other overlapping each stroke by 6 to 8 inches. Many models come with a specific nozzle for spraying cleaners.

Hot water pressure washing is recommended for most brick and concrete surfaces. The engine powers a water pump which is fed by a garden hose. For tougher stains such as paint hold tip 3 to 4 inches from concrete surface moving with slower nearly still strokes to ensure removal. Select the appropriate pressure washer spray tip or nozzle based on how deep your stains are.

For outdoor cleaning a pressure washer is fast and efficient and uses less water than a garden hose. Concrete paver driveways have similar cleaning and maintenance requirements as do poured in place concrete driveways but you may need to refill the sand in the joints between pavers if it washes away. Use a high pressure nozzle on the pressure washer and begin power washing the concrete by moving the trigger gun back and forth in one section at a time. The 25 degree nozzle is typically the best for cleaning concrete driveways patios pool areas and similar hard surfaces although some users prefer all the way to a 40 inch nozzle instead.

The high water pressure of a power washer effectively cleans some stains and most debris from your concrete driveway.