Clean Your Vinyl Siding Like a Pro

Vinyl siding is one material that does not require too much maintenance. This however does not mean it will not be cleaned and kept shining. Nature will always take its course and your vinyl siding will have dirt and grime on it, and even during humid climate, mildew and mold can be found on vinyl siding.

how to clean vinyl siding

The fact here is that you should have your vinyl siding cleaned routinely but the question is how? Usually, cleaning instructions come with the vinyl siding package from the manufacturer but in case yours does not come with cleaning instructions, this article is just for you.

Getting dirt off vinyl siding

With the use of a garden hose, you can remove any dirt or grime from your vinyl siding. Simply attach a spray nozzle to the hose, or attach a pressure washer and set the spray intensity to medium. You should make sure of the following when pressure washing your vinyl siding;

  1. Ensure that the nozzle keeps moving and the pattern of spray in the pressure washer is wide enough so it does not damage your vinyl siding.
  2. Wash from the lower part of the siding to the top; then rinse from the top to the lower part.

Making a cleaning solution to clean Vinyl siding

Your vinyl siding might need additional cleaning so you might need to make a cleaning solution that you can add to a pressure washer or simply mix in a bucket and clean with a cleaning brush. The following items are needed to make your cleaning solution;

  • 1 gallon of water
  • Powdered laundry detergent (one-third of a cup)
  • Trisodium phosphate cleaner (two-third of a cup)


  • Mix the above listed ingredients in a bucket containing the 1 gallon of water to form a solution.
  • Dip a car cleaning brush in the solution and scrub the vinyl siding gently from the bottom to the top. After you have thoroughly scrubbed the vinyl siding, rinse with water from top to bottom.

How to remove Mildew and Mold from Vinyl Siding?

You could use a mold or mildew remover to kill mold or mildew on your vinyl siding. There are numerous products in the market that can accomplish this. Alternatively, you can add bleach to the solution made with the above-listed ingredients to kill mold and mildew on your siding.

If you have any plants close to your house, cover them with some plastic sheets so the bleach does not cause any damage to them. There is an important thing to know here; do not leave the plastic over the plants for too long as too much heat could affect the plants too.

Once you are ready to get started on cleaning your vinyl siding with bleach solution to remove mildew and mold, spray the siding from bottom to the top then leave the bleach solution on the surface of the siding for 10 minutes. Then scrub the siding with a soft bristle brush and rinse the solution with clean water.

Make sure you wear protective garment such as goggles, long pants, rubber gloves and long sleeve shirt while carrying out the cleaning operation.