Most of the pavements are made from concrete, that absorbs more oils and dirt with sand in the thick layer of grime and sticky grease.
You have to choose the right nozzle, to use the pressure washer and set it to standard pressure.
However, you can hire an experienced pressure washer guy, to clean out your pavement which will be quite expensive.
Although there are many ways to clean your entire patio and concrete pavement without a pressure washer.
Spoiled concrete can be improved, and be renewed, and slabs can be replaced, it is expensive, and it will also reconstruct the appearances of your entire driveway pavement.
Soil and loose rubble on the pavement can be eliminated with a brush or a garden broomstick.
Sweeping daily can on your pavement, walkways or driveways will make your entire concrete to remain clean and look good as new.
If you stick to this schedule, you will end up noticing that you will not need water to clean it.
Sometimes where there are spots, dirt and fungal germination, you might choose to use commercial detergents.
Still, there is a problem of severe ingredients that may change your pavement appearances.
Baking soda, on the other hand, can be used to wipe the dirt out, you just have to mix 1/2 cup of baking soda to almost a gallon water and mix it up.
Fill a bottle with a spray cap, and gently spray the mixture to the dirt area of the pavement, and let it get dry for 30 to 45 minutes then simply scrub and rinse the area of the concrete.