How To Maintain Accoya Decking

Written by Resolute Timbers

December 8, 2023

Accoya decks are naturally beautiful and require minimal maintenance compared to other wood species. However, like all wood, they are subject to natural weathering and benefit from regular cleaning.

Frequency and Intensity:

  • Cleaning interval: Individual decks require different cleaning intervals based on location, usage intensity, and personal preferences.
  • Biofilm buildup: Decking naturally forms a biofilm that holds water and slows drying. Regular cleaning is necessary to prevent excessive buildup, which can trap moisture and promote rot.
  • Normal cleaning: Under typical conditions, thorough cleaning with a stiff brush and clear water is recommended once a year, preferably in the spring. Additional light cleaning throughout the year may be beneficial.
  • Increased cleaning: More frequent cleaning may be necessary for decks in permanently shaded areas, such as those facing north or near trees and bushes.

Cleaning Methods:

  • Stiff brush and clear water: This simple method is effective for most cleaning needs. Pre-wetting the deck softens the biofilm and facilitates cleaning.
  • Cleaning agents: For stubborn stains, a mild cleaning agent with a pH below 9 is recommended. Always rinse thoroughly with clear water after using any cleaning agents.
  • Planed vs. rough sawn: Planed surfaces are easier to clean than rough sawn surfaces.
  • High-pressure cleaners: Absolutely avoid high-pressure cleaners on any wooden deck, regardless of the wood species. The high water pressure can damage the wood fibers and shorten the lifespan of your deck.

Additional Tips:

  • Protect your deck: When using a high-pressure cleaner on other materials near your Accoya deck, cover the deck with a tarp to prevent damage.
  • Enjoy the natural beauty: Accoya’s natural weathering process creates a beautiful silvery-grey patina over time, further reducing the need for frequent maintenance.

By following these simple maintenance tips, you can ensure your Accoya deck remains a beautiful and functional outdoor space for many years to come.

How To Clean Accoya Deck:

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