![]() You could block off the storm drain then let the water all evaporate then sweep up the solids (or vacuum it up). Would you like to pollute that stream with the chemicals and oil you are washing away from your driveway? You could push all the wash water to your lawn so it absorbs there. It is more likely the water that enters the storm drain goes to your local stream. Most likely you do not live in an area with a sani-sewer. Environmental Pollution – Be mindful of where all the runoff water you are using to clean your driveway is going.Attach the 25-degree nozzle to your spray wand and give it a thorough rinse. It is ready for the final rinse to flush away the detergent. Use one to remove the very stubborn stains and dirty areas. It pulses/rotates the flow of water to greater push and peel the dirt and grime from the surface. A rotary nozzle does a similar thing to the water flow as a surface cleaner.Depending on size and material (plastic or stainless steel) a surface cleaner can cost between $20 and $2000. A surface cleaner attachment will complete the clean faster and better because it disperses the water over a larger area – not only reducing risk of concrete damage from high pressure but also pulsing the flow to more readily “tear” the dirt and grime from the surface. A pressure washer surface cleaner attachment is the recommended method. Now that the detergent has broken down the driveway stains and tough grime, mildew and other dirt, it is ready to blast it all away.Now let the cleaning solution work its magic on the driveway for about 5 minutes before doing the proper pressure wash.The soaping nozzle is designed to soak the driveway as oppose to blasting it clean – that’s step 5. Also be sure to attach the low pressure soaping nozzle to your sprayer at this stage. Be sure to read your machine manual to know which are the recommended driveway cleaners & degreasers to use with your particular washer. Now turn it on and give your driveway a once over to remove loose debris like pebbles, grass and any small tree leaves or branches. Get your cleaner ready by attaching the garden hose and the 25-degree nozzle.It seems obvious but it needs to be said: Homeowners need to clear the area of kids toys, vehicles and other things that might get in the way of pressure washing.7 Steps To Pressure Clean a Concrete Surface (Quick And Thorough)
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