Better Homes & Gardens FAQ: Cleaning Vinyl Siding

Find out the best way to clean vinyl siding.

Your home improvement questions, answered by professionals from the National Association of the Remodeling Industry (NARI), an association of remodeling professionals committed to providing consumers with high standards of quality, honesty, integrity, and responsibility.


What is the best method to clean vinyl siding? Would a power washer be the best way to clean my vinyl siding, or would it be better to use some type of cleaner and rinse it off with a garden hose?


It will depend on what you are trying to remove from the siding. Typical house cleaners can be applied, allowed to sit, then rinsed off. More stubborn stains might require a little scrubbing before rinsing. If the siding is severely stained, pressure washing might be necessary. It's important that you become familiar with the pressure washer before using it. Practice different pressure nozzles in an area that isn't always seen. Start with lower pressure and continue to increase as needed. High-pressure water can leave marks or even cut through vinyl siding if left in one place for too long, so keep the nozzle moving. Be extremely careful when using a pressure washer from higher elevations or off of a ladder. The high pressure can knock you backward. Use the proper safety procedures to prevent this from happening.

Answered by: Craig Knott, Certified Remodeler, National Association of the Remodeling Industry

About Craig

Craig Knott, certified remodeler (CR), is the owner and president of Houseworks Unlimited, Inc., a Maryland award-winning, full-service remodeling company specializing in design-build. Since 1990 it has built a reputation in the Washington and Baltimore metro areas as a provider of unsurpassed-quality construction and superior service. Its 25-plus years of experience in residential construction give it the ability to provide homeowners with the knowledge and expertise needed to complete their projects.

Since 1994 Houseworks Unlimited, Inc. has been a member in good standing with NARI. In 1996 Knott completed the rigorous program to become a CR, a designation awarded by the prestigious NARI. The association has very strict standards for this designation and has designated fewer than 50 remodeling contractors in the entire state of Maryland. In 2003 Knott established NARI of Mid-Maryland, a new chapter of which he was the president for the first two years.

Before starting Houseworks Unlimited, Inc. Knott worked as a master carpenter for other contractors and realized he could provide better service and quality craftsmanship. He built his company on hard work, integrity, and solid customer relations.


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