How to Pressure Wash Vinyl Siding: 5 Steps – wikiHow

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Periodic cleaning of vinyl siding helps to maintain the value and beauty of your home's exterior. A pressure washer is the ideal tool to clean vinyl siding by blasting away mold, dirt, and grime. Most pressure washers are user-friendly and can be operated with little effort. All of the necessary materials, including the pressure washer, can be bought or rented through your local hardware store. In order to successfully pressure wash vinyl siding you will need to prep the surface, select and utilize the appropriate pressure washer settings, and spend some time carefully operating the machine. Read the article below for specific instructions on how to pressure wash vinyl siding.

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Select the appropriate equipment and settings. A gasoline or electric washer with a pressure rating of at least 3,000 PSI, and a flow rate of at least 4 gallons (15.1L) per minute, will provide enough force to effectively clean high, hard-to-reach vinyl surfaces. Set the spray nozzle to low pressure and use a 25-degree spray tip. Add an appropriate cleaning solution (such as mild dish detergent) to the reservoir.

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Test the spray on a small area to get used to its power. You may increase or decrease the power of the spray by adjusting either the nozzle setting or the distance at which you are holding the wand from the siding.

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Work in a steady manner, pressure washing one section at a time from bottom to top, and sweeping from left to right. Always ensure that the nozzle is pointed downward at a 45-degree angle to minimize the amount of water that gets behind the siding. Excessive water can bulge siding, dampen insulation or framework, and cause mold or electrical damage over time.

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Rinse the siding with fresh water. Work from the top down to prevent streaks, and rinse within approximately 5-to-10 minutes of cleaning, before the detergent is able to dry.

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How to Pressure Wash Vinyl Siding: 5 Steps - wikiHow