Power Washing Safely this Winter

This winter, homes and business establishments may encounter problems cleaning their property’s exterior since it is not ideal to power wash in cold temperatures. However, leaving it uncleaned during this season can lead to serious issues like moss growth, which can worsen after the season.

According to Moss Grower Annie Martin, moss will continue to grow as long as the surface is moist and exposed, even in the cold. This problem makes power washing during winter more important as it prevents moss growth around your property. Here are ways on how you can safely power wash this season.

3 Things to Consider Before Power Washing

Freezing Water

Power washing in icy temperatures can lead to water freezing inside the pumps of the washer. The frozen water expands throughout the machine, causing it to malfunction and break down.

To avoid this problem, schedule when to power wash the property, preferably when it is the warmest within the day.


Power washing under cold weather can lead to hypothermia because you’re working under freezing temperatures and possibly getting wet from the water.

To avoid this problem, wear thick clothes to stay warm. And make sure that you’re wearing extra thick gloves to prevent your hands from freezing while holding the cleaning equipment.

Less Effective Chemicals

One reason that makes power washing an effective method in cleaning a property’s exterior is because of the chemicals mixed in the water, making it an effective method to remove moss, mildew, and grime.

Cold temperatures will slow down chemical reactions, making the substance less effective in cleaning. Working during the warmest part of the day can lessen the risks of ineffective chemicals. Hot water rigs can also help since powdered chemicals mix better in hot water, making the cleaning job quicker.

Winter Power Washing Do’s and Don’ts

Adjust the Pressure Accordingly

When using a power washer, ensure you change the pressure according to the age and condition of the property and the type of surface you are cleaning. Applying too much pressure will lead to significant damage like stripped paint, loose and dented siding, shredded window screens, and cracked wood.

Do Not Wash Beneath the Siding

As mentioned, applying the wrong pressure can damage the property, but it can also cause algae, moss, and mildew growth beneath the siding since water reaches that area.

It is the reason water should not reach beneath the vinyl siding because it keeps moisture out. It may withstand rain, snow, and storms, but it will sustain damages when you use your power washer improperly. If this is a major concern, it is best to seek the help of professional power washers. They would be able to provide you with a thorough cleaning while keeping your sidings dry.

Choose the Chemicals Carefully

Cleaners mix chemical compounds in the power washer to make cleaning more efficient. However, certain chemicals are not recommended on some surfaces, since they may lead to corrosion and color fading.

Before using the equipment, choose and research the chemicals you plan to use for power washing your home. For instance, citric acid helps remove stains and clean concrete driveways and wooden decks. While sodium hydroxide and ammonia work well on glass and steel.

Professional Power Washing Services in Seattle

Power washing this winter does not have to cause problems for your property. Renova Exterior Detailing provides trusted power washing services that improve your property’s curb appeal and prevent decay. Visit our power washing service page to learn more about how our services can provide high-pressure sanitation for you.

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