Power Washing your house | common sense tips for safety and efficiency

Power washing

Power Washing your house quickly and safely

Power washing is a quick effective way to clean your home if done correctly.  If you just want to clean your home without having to paint it you must take care not to damage the paint or caulking by using too much pressure.  Many pressure washers can produce over 3000 psi of pressure at the tip, which is powerful enough to gouge siding, erode cement or cut through skin, muscle and bone!  So before we go any further lets discuss some safety points.

Power washing safety tips

  1. Know your machine:  whether electrical or gas powered you should take the time to read the operation and safety manuals for your pressure washer.  Familiarize yourself with the kill switch and other safety features
  2. wear safety glasses, goggles or face shield while pressure washing.
  3. Water conducts electricity:  Use caution around service panels, meter bases, overhead wires, electrical outlets and exterior lights to prevent electrocution!  Always be aware of where you are spraying and where you are going to spray next.
  4. Mufflers get HOT:  If you are using a gas powered pressure washer always remember to avoid  touching the muffler.  When starting an engine it is common to place one hand on the engine to steady it while pulling the starter cord with the other.  Many engines have mufflers located in a position that you might be tempted to place your hand to steady it when pulling the starter cord.

Never use the high pressure jet tip or the narrow fan tips close to the siding.  Never direct the spray at yourself or others as the pressures generated by power washing are extremely dangerous.  It is OK to use the high pressure tip to reach high areas on the house.  Just be aware of the extreme pressures generated and use common sense in not allowing the jet to damage the house.

When installing or changing tips always point in a safe direction  (at the ground)  before pulling the trigger for the first time.  (If the tip is not seated properly the water pressure will turn it into a projectile capable of breaking windows or causing injuries)

Pay close attention to where you are spraying.  The high pressure will force water under or around doors and window and into wall vents, soffit vents and attic vents.

There are many cleaners available that are marketed just for power washing but an effective and economical alternative is Surf liquid laundry detergent mixed at the rate of about 8 to 16 ounces per gallon of water.  If mildew is present add up to 32 ounces of bleach to each gallon of water.  Wear protective clothing and eye protection.  Apply using the low pressure siphon tip of the pressure washer or use a pump up sprayer.   (Surf laundry detergent is biodegradable ~ if rinsed down with copious amounts of water neither it nor  bleach is harmful to plants or animals)

Thoroughly soak one area or wall at the time with cleaning solution and allow it to work for three to five minutes.   You can soak the next area down while you are waiting for the first area to work, just don’t let it dry before rinsing.

Once the cleaning solution has had time to work on an area for a few minutes rinse it down completely with clear water until all sign of soap residue is gone.  Never let the cleaning solution dry on the wall as it will redeposit the dirt that had been loosened.

When power washing is completed inspect the entire house, especially around doors and windows to determine if any caulking or paint was damaged .   Allow house to dry thoroughly before applying any caulking and paint.

Power washing can be a challenge for some but the benefits of a clean, attractive and well maintained home easily justify the time and expense of this project.

 

Wood’s Home Maintenance Service offers solutions for a wide range of building, maintenance and repair needs.  Contact us today for a free estimate.

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About Tony Wood

Tony is a life time resident of North Carolina with over 30 years experience in multiple facets of the industrial, commercial and residential construction industry. For the past 23 years he has owned and operated Wood's Home Maintenance Service, providing services primarily in Johnston, Wake and Sampson Counties of North Carolina. ______________ ______________________________________________________ The information contained in this Blog is opinion derived, from hands on experience of over 30 years in the construction industry and by extensive research by the author. All postulations are referenced to the geographic location in which this experience was gained.
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6 Responses to Power Washing your house | common sense tips for safety and efficiency

  1. Wayne says:

    Thank you for the information on using a power washer safely and for some ideas on what kind of cleaner to use. How much different is cleaning a driveway from cleaning a house?

  2. Tony Wood says:

    I am happy you found the article helpful. Depending on what you are cleaning off your driveway you may need different cleaning products than are used to clean your house. Oil or grease stains require a detergent while mildew stains require Clorox or a mildewcide. Higher pressure can be used on concrete but using a spray wand will likely result in an uneven streaky appearance when the concrete dries. Moving the wand at different speeds, holding it at different heights and going over some areas more times than others all result in uneven cleaning. A flat surface cleaner attachment provides better results on walkways and driveways.

  3. Rick says:

    Good practical information.

  4. Cecil Ruiz says:

    Nice tip’s, I plan on doing a whole house with roof and side buildings, very soon. These tips will come in handy, thanks.

  5. Gwen Gordon says:

    It’s important to know how strong pressure to use on wood. People are almost always setting the strongest pressure but that can do damage on the surfaces that you are cleaning.

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