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Do I Need to Power Wash My House? 7 Signs That Point to Yes

September 17, 2023

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do i need to power wash my house

Has your house lost some of its curb appeal? Do you cringe when you look at the exterior? If so, it may be time to power wash.

So, do I need to power wash my house? In short, If your home's exterior appears dirty, dingy, or covered in grime, spider webs, mildew, moss, efflorescence, or chalky paint, it's time to power wash.

Here are 7 signs that indicate power washing is overdue:

1. Your Siding Looks Dirty or Dingy

Over time, dirt, mildew, and algae can build up on your home's siding. This gives the exterior a dull, dirty look. If a simple rinse with a garden hose doesn't get your siding looking fresh and clean, it's time for power washing.

dirty siding on house

2. Spiders Have Moved In

Seeing spider webs in every nook and cranny? This is a clear sign that dirt has piled up, giving spiders plenty of places to set up camp. Blast away the webs and their creators with an intense stream of water.

spider webs on siding and birdhouse

3. Your Deck Looks Worse for Wear

Wood decks can really show their age after a few seasons of snow, rain, and intense sun. Restoring your deck to its former glory will likely require some elbow grease and a thorough power washing. Bring on the power washer and send dirt, mildew stains, and faded gray wood packing.

dirty pool deck cleaned by pressure washing

4. Your House Looks Discolored

Over time, surfaces can get so dirty that you can't even remember what color they used to be! Really caked-on grime may call for detergent or other cleaning solutions in addition to power washing. But a good blast of water will reveal that your house is actually beige - not gray!

do i need to power wash my house

5. Moss, Mold, and Algae is Growing Everywhere

Seeing green stuff all over your roof, sidewalks, or driveway? That's probably moss and mold, a sure sign that excessive moisture has lingered. Give your surfaces a good sanitizing power wash to scrub that moss away. Be sure to adjust your power washer nozzle first, so you don't blast away roof shingles or cause other damage.

pressure washing technician cleaning moss off a house

6. Your House is Covered in Chalky White Spots

Those unsightly white spots are efflorescence, a mineral deposit left behind when water evaporates. This is most common on brick, stucco, and cement surfaces. Scrubbing with soap and water may help, but efflorescence often requires the intensity of a power washer to remove completely.

power washing brick house

7. It's the Eyesore of the Neighborhood

OK, hopefully, your neighbors aren't actually laughing at your dirty house! But if the neighborhood kids are using your filthy siding as a chalkboard, it's definitely time to bust out the power washer. Give the exterior a good rinse, so your house once again blends in with the rest of the block.

women laughing

When to Call in a Power Washing Pro

Power washing your own home can be satisfying, plus you save some cash. But for big jobs, pros have expertise and equipment that makes them worth the investment.

Call the experts for:

  • Two-story homes or single-story homes with tall peaks and dormers. Doing the upper levels yourself means risking injury from falls.
  • Homes with delicate exteriors like brick, stucco, or wood shingles. Professionals have specialized nozzles that won't harm surfaces.
  • Severe mold or mildew. Bleach or other chemicals may be needed to treat bad mold before power washing.
  • Paint prep. Contractors use intense pressure and specialty detergents to remove chalky paint or peel away layers before repainting.

soft wash pressure cleaning

Power Washing Tips for DIYers

If you want to save money by tackling the job yourself, follow these tips:

  • Inspect washable areas up close first. Look for damage, loose parts, or vulnerable materials.
  • Cover windows, doors, outdoor outlets, and other fixtures to prevent damage.
  • Start with a wide-degree nozzle and less pressure, then get closer and narrow the spray or increase pressure for tough spots.
  • Use overlapping strokes and rinse detergent thoroughly.
  • Wear protective gear: shoes with traction, gloves, eyewear, ear protection, and water-resistant clothes.
  • Never point the stream at yourself or others.
  • Check the weather forecast. Don't power wash on windy or extremely hot days.

power washing siding

Power Up Your Curb Appeal

Does your home need a power washing? Keep an eye out for these 7 signs that it's time to break out the power washer. With some sweat equity or help from the pros, you can give your house a fresh new look!

About ProClean Everything Main

ProClean's trained technicians utilize the latest equipment, and eco-friendly cleaning solutions to make the exteriors of homes and businesses look brand new again. Let the pros at ProClean blast away dirt, grime, mold, mildew, and other buildup with precision power washing. Contact the team today for a free estimate at (947) 207-4472.


What happens if you don't power wash your house?

Failing to power wash your home allows dirt, mold, mildew, and other grime to continue building up, leading to a dull, dirty exterior that detracts from your home's curb appeal. Neglecting power washing also lets moisture-related issues like moss, algae, and efflorescence multiply, potentially causing lasting damage.

Is it a good idea to pressure wash your house?

Power washing is an excellent way to restore vibrancy and cleanliness to your home's exterior surfaces. Using a pressure washer can quickly and effectively eliminate dirt, grime, mold, mildew, and other buildup to improve your home's aesthetics and potentially prevent more severe deterioration.

How often should a house be power washed?

The frequency of power washing a house depends on factors like climate, exposure to elements, and quality of exterior materials. Still, generally, experts recommend power washing a home's exterior surfaces every 1-3 years. More frequent power washing, such as annually, may be needed in regions with high humidity, heavy rain, intense sun exposure, or high pollen counts that can lead to rapid buildup of dirt, mildew, mold, and other grime.

Is it better to pressure wash or soft wash a house?

Pressure washing uses high-powered water pressure to blast away dirt, while soft washing relies on chemical cleaners and low-pressure rinses. For most homes, soft washing is preferable because it is less likely to damage delicate exterior surfaces like wood, brick, and stucco, though pressure washing still has its uses for stronger materials like concrete.

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