Cuprinol Anti-Slip Decking Stain Urban Slate 5L

Cuprinol Anti-Slip Decking Stain Urban Slate 5L

By Cuprinol · Model: Anti-Slip Decking Stain 5L · Landscaping & Outdoors

5-litre anti-slip decking stain in Urban Slate with invisible microbeads for safer footing and algicide protection against green growth.

  • Anti-slip microbeads for safer decking surfaces
  • Rich semi-transparent Urban Slate colour
  • Built-in algicide to resist green algae and mould
  • 5-litre tin covers approximately 25-30m²
  • Suitable for softwood and hardwood decking
  • Water-based formulation for easy application and cleanup
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Overview

The Cuprinol Anti-Slip Decking Stain is a dual-action product that colours and protects decking while making the surface safer to walk on. Invisible anti-slip microbeads are embedded in the stain to provide grip, reducing the risk of slipping on wet timber. An integrated algicide inhibits the growth of green algae and mould on the dried film surface, helping the deck look cleaner for longer. The Urban Slate shade gives a contemporary grey tone that suits modern garden designs.

In-Depth Look

Timber decking is one of the most popular garden features in the UK, but it brings a well-known problem: it becomes dangerously slippery when wet or when algae takes hold. Cuprinol’s Anti-Slip Decking Stain tackles both issues in a single product, combining colour and protection with practical safety features.

Application and Finish

The water-based formula applies smoothly with a brush, roller, or pad applicator. It is low-odour compared to solvent-based alternatives and brushes rinse clean in water, making the job less messy. Two coats are recommended for the best colour depth and protection, with the first coat drying in around an hour and a recoat window of four hours. The Urban Slate shade produces a modern, cool grey tone that is semi-transparent, allowing the wood grain texture to remain visible. The final appearance will vary depending on the timber species and how weathered the deck is.

Anti-Slip and Algicide Performance

The anti-slip microbeads are invisible once dried, so they do not affect the appearance of the finish. In practice, they provide noticeably more grip underfoot compared to a standard decking stain, particularly on damp mornings or after rain. The algicide within the formulation helps slow the regrowth of green algae and mould on the stained surface, though it will not eliminate the need for occasional deck cleaning entirely.

Verdict

Cuprinol Anti-Slip Decking Stain is a practical choice for anyone with timber decking who wants to combine a colour refresh with improved safety. The anti-slip microbeads deliver a real difference in wet conditions, and the algicide extends the time between deep cleans. The Urban Slate colour is well suited to contemporary garden schemes. For best results, apply to clean, dry timber and allow adequate drying time between coats.

Specifications
Volume5 litres
ColourUrban Slate
CoverageApproximately 5-6m² per litre
FinishSemi-transparent
Drying Time1-2 hours touch dry, recoatable after 4 hours
Coats Required2 coats recommended
BaseWater-based

Who It's For

  • Homeowners wanting to refresh and protect existing timber decking
  • Anyone concerned about slippery decking surfaces in wet weather
  • Gardeners seeking a low-maintenance finish that resists green growth

Pros & Cons

Pros

  • Anti-slip microbeads genuinely improve wet-weather grip
  • Algicide helps prevent green growth on the surface
  • Water-based formula makes application and brush cleanup easy
  • Semi-transparent finish allows the wood grain to show through

Cons

  • Two coats required for best results, increasing application time
  • Coverage rate means larger decks may need more than one tin
  • Colour can vary depending on the timber species and condition
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