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  • Verified reviews icon471
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Top-Rated Pressure washers in Dover - Updated Nov 2026

Avatar for Double O Pressure Washing
Double O Pressure Washing
5.0(
56
)
Exterior Surfaces - PowerwashingExterior Surfaces - Powerwashing - For Business

Serving Dover, MA and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

"Oliver is a great guy to work with. All throughout the project he kept great open lines of communication with numerous updates. He went over and beyond what was asked of him, and his attention to detail is superb. I hired d him for a pressure washing job on my home, but to my surprise, his skill set went way beyond pressure washing as I was able to use him on a multitude of different projects in & out the house. Oliver is a one stop shop that I highly recommend."
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Pressure Washing FAQs, answered by experts

Whether you need to winterize your pressure washer depends on where you store it. If you can keep it in a relatively warm place with no risk of freezing, you won't need to add antifreeze. However, if the machine will be stored in freezing temperatures, any liquid left in the water pump can freeze, expand, and cause severe damage. To prevent this, add antifreeze to keep it in good condition. While some suggest emptying the machine with compressed air, this can be a tedious process that may not fully drain the liquid. Regardless of storage conditions, it is also good practice to empty the gas chamber and refresh the oil before winter storage.

Your deck may look or feel fuzzy after pressure washing because the high-pressure spray tears some wood fibers as it removes the outer layer of dead and discolored wood. This fuzzy effect is a normal part of the pressure-washing process and will go away on its own in a few weeks. You can opt to spot-sand your deck if you’d like to remove it more quickly.

If the exterior walls are not thoroughly cleaned before a paint job, the paint could stick to the grime, creating obvious imperfections along the way. Beyond that, painting over a freshly-cleaned wall just about doubles the lifespan of the paint, from three or four years to seven to ten years. 

Brick takes longer to dry than less porous materials like concrete. If you are waiting to spot clean, a full day of mild weather should do the trick. If you are waiting to paint or apply a finish or sealant, give it three to four days to ensure the brick is absolutely dry as a bone. You don’t want any residual moisture whatsoever before laying down paint or sealant. 

Some hard surfaces, such as concrete and asphalt, tolerate pressure washing well, and it can be a great way to keep them clean. However, you should avoid pressure washing clay or grass as you'll quickly destroy them.

Additionally, pressure washing can remove paint lines from any surface, so you need to be careful, and it may be best to let professionals handle the job.

The Dover, MA homeowners’ guide to pressure washing services

From average costs to expert advice, get all the answers you need to get your job done.