Springtime Power Washing

Pressure washing stone pathway

If you want to give your home more curb appeal, start by giving the exterior a thorough cleaning. An exterior that sparkles in the sun can make a world of difference. But if you’re about to reach for a pressure washer, stop right there. Not all surfaces can handle the intense spray of a pressure washer; the wrong tools can damage some surfaces, like brick. Find out which method is best for your home and more know-how you’ll need to get the job done right.

Get Prepared

If you own your home and plan to use a pressure washer at least once each year, it could be worth it to buy your own. They are not cheap … but they are not cheap to rent, either. If you cannot reach the upper floors of your home on a ladder, consider hiring a pro to do the job. If you are doing it yourself, follow these steps:

  1. Soap or no soap? Water alone is enough to get most exteriors clean. If you have mold or mildew, use a specialty house cleaner designed to kill mildew in the pressure washer’s detergent compartment.
  2. Choose the right nozzle. Pressure washer nozzles are measured in degrees — those that shoot water in a very narrow area have the strongest spray (zero is the strongest) and should be used very cautiously. For most homes, a nozzle with a 40-degree spray should suffice, so start there and work your way down to a 25-degree nozzle if necessary.
  3. Secure windows, doors and pets. Keep dogs (who could be curious about the spray) and children are inside, and close all the windows and doors before getting started. Also put on a pair of safety goggles to protect your eyes from dirt and debris.

Pressure Washing Safety

Treat your pressure washer the same as you would any other power tool — because it is potentially just as dangerous. The concentrated spray that comes out of the tip of the power washer can slice through skin, so keep children and pets away while you are working, and never direct the pressure washer at a person.

Also avoid spraying windows, as the spray could break the glass, especially in older homes with single-pane windows.

How to Pressure Wash Your House

  • Spray at a downward angle. Siding is designed to protect your home from weather … and weather comes from above, not from below. Work with your home’s protective features and direct your sprayer downward. Never spray into seams or cracks in siding where water can become trapped and damage your house.
  • Test a small section. Before getting too far along, turn off your pressure washer and take a close look at the first small section you’ve completed. If you see any evidence of damage, switch to a regular hose. If it looks good, continue!
  • Keep the hose moving. Use a steady side-to-side sweeping motion as you spray your house — lingering too long on one spot can cause damage. If you are using a cleanser, work from the bottom of your house to the top, then rinse from top to bottom.

Source: https://www.houzz.com/ideabooks/17268616/list/How-to-Wash-Your-House/

Further Reading


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