If you have a very large deck, a leaf blower may be ideal. If you have one, a shop vacuum works well for getting dirt and debris from between the decking boards using the crevice tool and the brush attachments.
This will also get rid of any mold or mildew growing on your deck. Make sure you do this, at minimum, twice per year. You can also use a cleaner designed specifically for composite decks. [3] X Expert Source Walter BrantHandyman Expert Interview. 1 October 2020.
Pressure washers can damage the boards of your deck if they’re not used carefully. Never point or spray the full pressure at yourself, another person, or pets. Small pieces of flying debris can also cause harm or damage. Stay at least 8 inches (20. 32 cm) away from the deck surface at all times and spray in the direction of the wood grain to avoid possible damage. [4] X Research source Make sure you rinse away the soap thoroughly; otherwise, it may leave a film on the deck surface.
If the oil based stain has set and mild dish soap isn’t removing it, try an oil stain remover product like OSR or Pour-N-Restore. You can buy these products at home improvement stores.
Check your particular product for any additional directions. Deck brightener products can be purchased at home improvement stores.
If you notice standing water underneath, you may need to use a different grade of soil around your deck to improve drainage.
Use a stiff-bristled broom to sweep away debris. If there’s anything stuck in there, push it out with a putty knife. [11] X Expert Source Walter BrantHandyman Expert Interview. 1 October 2020.
