How to Clean Decks With Sodium Percarbonate

General Cleaning

• 1

  Dissolve 1/2 cup of sodium percarbonate into 1 qt. of hot or warm water in a large bucket or bowl. Stir the mixture to fully dissolve the sodium percarbonate.

• 2

  Spread the solution on the deck surface, using the mop and bucket to cover one workable section at a time that you can scrub and rinse before it dries.

• 3

  Leave the sodium percarbonate solution on your deck for 10 to 15 minutes. Scrub with a soft-bristled brush or broom to remove stuck-on dirt and debris. Rub in the direction of the wood grain.

• 4

  Repeat the application and scrub until the entire surface of the deck is cleaned.

• 5

  Rinse the deck surface thoroughly with clean water. Mop or sponge up excess water.

Cleaning Mold and Mildew

• 6

  Dissolve 1/2 cup of sodium percarbonate into 1 qt. of hot water.

• 7

  Mop the solution onto the soiled wood and let it sit for at least 30 minutes. For heavy mildew, allow the solution to sit for an hour.

• 8

  Scrub with a soft brush until all mildew and mold are removed. Rinse the deck surface thoroughly with water and mop up excess moisture.