Introduction
Decking grip strips are built to last — but like any outdoor surface, they benefit from regular maintenance.
Dirt, algae, and moss can reduce traction over time, especially in damp UK weather.
In this guide, we’ll show you how to clean and maintain your decking grip strips to keep them looking great and performing safely for years to come.
Why Maintenance Matters
Even though GRP decking grip strips are weatherproof and corrosion-resistant, the build-up of organic material can make them slippery or dull.
Regular cleaning helps:
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Preserve the non-slip texture
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Extend the lifespan of your decking
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Maintain an attractive, professional finish
Simple Cleaning Routine (Monthly or Seasonal)
Step 1: Sweep the surface
Remove loose dirt, leaves, and debris with a stiff broom.
Step 2: Wash with soapy water
Use warm water with mild detergent. A soft-bristle brush is ideal for scrubbing away algae or moss.
Step 3: Rinse thoroughly
Avoid pressure washers — they can damage the grit surface over time.
Step 4: Dry naturally
Allow the decking to dry fully before use to restore maximum slip resistance.
Deep Cleaning (Once or Twice a Year)
For high-traffic areas or heavy grime:
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Use an eco-friendly outdoor cleaner that’s safe for GRP surfaces
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Gently scrub the surface in circular motions
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Avoid bleach or solvents — these can weaken the adhesive or dull the finish
Maintenance Tips from Experts
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Inspect screws and fixings yearly
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Replace damaged strips promptly
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In shaded or damp areas, increase cleaning frequency
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During winter, avoid rock salt — use non-corrosive de-icers instead
You can also learn about:
Benefits of Decking Grip Strips
How to Install Decking Grip Strips
Shop durable GRP Decking Grip Strips at Finishings UK