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Deck Cleanliness 101

How Often Should I Clean My Deck?

When deciding how often to clean the deck, it is important to consider when and how much debris accumulates. Clean decks are less likely to become infested with wood-destroying organisms like fungi and insects.

Cleaning your decks during periods of dry weather will reduce the likelihood of slipping when walking across them. Also, cleaning your deck regularly can help prevent mold or mildew growth that can cause discoloration, peeling paint, or damage to the surface itself over time when left unattended for long periods.       

Deck Power Washing – How Often?

A deck is a great addition to any home and allows you to enjoy the outdoors. Like any area of your home, it needs frequent cleaning and care to prolong its life. You should give your deck a thorough cleaning at least once a year to keep it in good condition. An annual wash can bring new life into your deck, preserve the wood’s integrity, and help you avoid costly repairs down the road.

However, cleaning it once a year does not mean your deck will become maintenance-free. Although power washing your deck will make your wood more resistant to decay and insect infestation, it needs to be cleaned regularly to protect it from water and sunlight. Regularly check for soft or splintered areas, loose nails, deck attachments, and split or rotten planks. Repair any damage that poses a health or safety risk as soon as possible. Before your annual deep-clean, take care of any additional repairs.

Different Materials Require A Unique Cleaning Process

Wood Decks

The best way to clean them is with a pressure washer. It removes mold and mildew and dirt, pollen, and other debris from the surface of the decking boards. Do not use soap or detergents on your decks because they can cause damage to your wood over time if used excessively. For smaller wooden areas around railings or posts to scrub off build-up by hand using either soap or water. After you’ve removed any surface debris, apply an oil-based stain/sealer.

Composite Decks

For composite decks, use a stiff bristle brush to scrub off any dirt or debris. It is important not to use soap because it can damage the boards over time. Cleaners specifically made for these types of decks work best and can be found at your local hardware store.  

Concrete Decks

If you have a concrete deck, make sure to use an all-purpose cleaner on them to remove the oils and dirt from overuse of foot traffic. For smaller areas like railings or stairwells, an old toothbrush works well. Avoid using bleach water since it will discolor the surface over time.


Cleaning tiled decks is best accomplished with a pressure washer, but it can also be done hand. Use an old toothbrush to scrub away any dirt and debris for smaller areas like railings or stairwells. Always make sure to wear protective eyewear when using a pressure washer since the water stream could cause damage to your eyes if you are not careful.   

Always check for manufacturer-specific cleaning requirements before you begin cleaning your deck.

Professional Deck Cleaning Services In Georgia

BMS Pressure Washing offers professional deck power washing and cleaning services that can bring your deck back to life and make it look amazing. Our coating materials provide deep penetrating protection against water, mold, mildew, and UV damage. Our skilled pressure washing technicians will apply the cleaning solution, cure it, and power wash it away to eliminate any dirt, mold, or other contaminants. 


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