Unfortunately the large blank surfaces of construction sites attract graffiti artists. Removing the graffiti can be time consuming and distract your crew from other jobs.
A hot water pressure washer combined with the appropriate power washing chemicals will cut the job time down and produce impeccable results.
*You will need an electric pressure washer or gas pressure washer of at least 300 psi and 4-5 GPM, coupled with a rotating nozzle for best results.
* Protect your eyes and skin and take the necessary precautions to prevent chemicals from entering the storm drains.
* Start power washing at low pressure from top to bottom using overlapping strokes.
* Wait a few minutes to let the chemicals act but do not let them dry on the surface.
* Rinse thoroughly after you are done.
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Need a little more scrubbing power? Want to increase your cleaning efficiency?
Ultimate Washer offers a variety of Rotary Nozzles from which you can choose. Your cleaning time can be cut in half with the addition of this nozzle. These nozzles rotate at high speeds to increase the intensity of the spray. They can remove rust, graffiti, and barnacles from the bottom of boats just to mention a few. They can be used on pressure washers with as little as 3000 PSI up to the super heavy duty pressure washers whose PSI reaches 5000 PSI. Find more info at http://www.ultimatewasher.com/pressure-washer-rotary-nozzles.htm