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Preparing and Maintaining Your Deck with Aqualis

A deck’s performance starts before the first coat is applied. Proper preparation of new timber is critical. Mill glaze, tannins, surface contamination and uneven absorption can all compromise coating performance if not addressed early.

Preparing the timber correctly ensures even penetration, better adhesion and longer service life. Skipping this step is like going out into the sun without your slip slop slap — you might get away with it briefly, but the damage builds quickly.

Preparing a New Deck for Its First Coat

Before applying your first coat:

  • Allow new timber to weather if required (depending on species).
  • Clean thoroughly to remove dirt and construction residue. Use Aqualis Timber Prep and Timber Clean
  • Aqualis Timber Prep and Timber Clean will clean out dirt, neutralise tannins, and remove grease. Any of these can affect how the first coat of decking oil embeds into the wood fibres.
  • Allow the deck to dry fully before coating.

This process promotes even uptake of the coating and reduces patchiness or premature failure. It is so important to get this first coat right to all the decking oil to penetrate deep into the wood fibres to create a strong bond.

Routine Cleaning and Inspection

After coating, regular cleaning prevents dirt build-up and surface contamination that can degrade coatings over time.

  • Sweep frequently to remove abrasive debris.
  • Wash down periodically to remove dirt and organic matter.
  • Inspect high-traffic areas for early signs of wear.

Addressing small issues early reduces long-term maintenance costs.

Recoating Before Failure

No exterior coating lasts forever. The key is maintenance before breakdown.

When you notice:

  • Light fading
  • Reduced water beading
  • Dry or dull appearance

It’s time for a maintenance coat.

Recoating at the right time avoids the need for aggressive sanding or full restoration. A light clean and reapplication keeps the timber protected and looking consistent.

Use the Right Preparation Products

Proper preparation is essential before any new application or recoat

Aqualis offers a range of cleaning and restoration products designed specifically for timber:

  • Timber Prep – prepares new timber prior to coating
  • Timber Clean – removes dirt, mould and surface contaminants
  • Strip Ease – removes old coatings when restoration is required
  • Deck Bright – restores natural colour and neutralises timber after cleaning

Using the correct preparation system ensures the new coating bonds properly and performs as intended.

Need Advice?

If you’re unsure which cleaner or maintenance system is right for your deck:

📞 Call our technical sales team on 1300 887 853
🌐 Submit an enquiry via our website

Superior Timber Coatings are here to help you Coat With Confidence.



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