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Vinyl Siding Brick NJ
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How to Clean and Paint Vinyl Siding FAQ
by Joe Slater  732-920-9739

How do I wash vinyl siding? 
Wash vinyl siding with a soft cloth or ordinary long-handled, soft bristle brush. For textured surfaces, use only a soft bristle brush to keep the grooves in the texture stain-free. For best results, start at the bottom of the house and work up and rinse the cleaning solution completely before it dries. If your house has brick facing, cover the brick so that it is not affected by the runoff.
Can I use a power washer? 
Yes, though you should read the washer instructions carefully before use. When cleaning, hold the power washer straight at eye level to keep the water on top of the siding where it can clean most effectively. Do not aim the power washer upward as water may be driven behind the siding.

You should also follow the siding manufacturer’s recommendations.  Some manufacturers don't want pressure washers used on their products at all.  Others allow them, but have limitations on the amount of pressure and the cleaners that can be used.  Most will caution against the use of pressure washers around any opening in the wall, such as windows, doors, electrical wiring, and plumbing.

How do I remove mold and mildew? 
Small spots of mold and mildew can be handled with cleaners such as Fantastik® or Windex®. For larger sections, a solution of vinegar (30%) and water (70%) has proven successful. Alternatively, you also could try the following solution: 1/3 cup (2 2/3 ounces) powdered laundry detergent (e.g., Tide®, Fab®, or equivalent), 2/3 cup (5 1/3 ounces) powdered household cleaner (e.g., Spic & Span®, Soilax®, or equivalent), 1 quart (32 fluid ounces) liquid laundry bleach, and 1 gallon (128 fluid ounces) of water.

How do I remove mulch residue? 
The spots could be residue from artillery spores. If this is the case, we do not know of any cleaner that will remove it from the siding. Artillery spores come from a particular fungus that lives in shredded wood mulch or other organic material around the house. The only way to correct the issue is to replace the shredded wood mulch with bark mulch and then replace the siding.  
The following websites have information on this issue:

What types of cleaners should I use for other stains? 
A list of commonly accepted cleaners is provided in the box below. Be sure to spot check any general or stain specific cleaner before using it on a large section of siding. After removing the stain, rinse thoroughly with water. Do not use cleaners containing organic solvents, undiluted chlorine bleach, liquid grease remover, nail polish remover, or furniture polish or cleaners. They can affect the surface of the siding.  

Vinyl Siding Cleaners

General cleaners (e.g., Simple Green®, Nice & Easy®, Armor All®, etc.) can be used to clean dirt, bird droppings, and spider webs. Stain-specific cleaners are listed below. Rinse all cleaners with water before they dry.



Bubble Gum

Fantastik®, Murphy Oil Soap®, solution of vinegar (30%), water (70%) and Windex®



DAP (oil-based caulk)


Felt-tip Pen

Fantastik®, water-based cleaners


Fantastik®, Lysol®, Murphy Oil Soap®, Windex®

Lithium (car) Grease

Fantastik®, Lestoil®, Murphy Oil Soap®, Windex®

Motor Oil

Fantastik®, Lysol®, Murphy Oil Soap®, Windex®


Brillo® Pad, Soft Scrub®


Soft Scrub®


Fantastik®, Murphy Oil Soap®, Windex®


Soft Scrub®

Top Soil

Fantastik®, Lestoil®, Murphy Oil Soap®

*Cleaning Materials are listed in alphabetical order. 
*VSI does not endorse products or processes and makes no warranties for the products referenced herein. Reference to proprietary names is for illustrative purposes only and is not intended to imply that there are not equally effective alternatives.
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