Yes! All concrete and paver surfaces should be cleaned before applying any sealer coating. It is very important that the surface is clean because any stains or materials that get trapped under the sealer will not be able to be cleaned after it’s sealed. Pressure washing pavers is just as important as sealing it.
Using the wrong pressure washing tools could also hurt the pavers. A pressure washer with the wrong nozzle could mark or wear the pavers. The best recommended tool is a high volume, low pressure, hot water pressure washer. The hot water cleans the pavers and prepares the surface for the best result sealing job.
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