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How to Bring Your Decking Back After Winter

From green and slippery to warm and inviting

Timber decking takes a real beating over the winter months. Months of rain, frost and low sunlight leave many decks grey, covered in green algae and dangerously slippery. The good news is that a proper restoration can bring it back to life ready for warmer weather.

What winter does to decking

Grey decking is caused by sunlight and weather breaking down the surface of the wood. In damp or shaded spots, algae and moss grow quickly, creating a slippery and potentially hazardous surface. Over time, boards can crack, split or lift, and fixings can rust or loosen.

Step by step

Deep cleaning

The first step is a thorough clean to remove dirt, algae, moss and old, failed coatings. Using dedicated cleaners, we lift the dirt and growth out of the grain. The deck then needs time to dry thoroughly before sanding.

Repairs

Loose boards are re-fixed, protruding screws are replaced and badly damaged boards are swapped for new ones. A sound deck is safer and looks better once finished.

Sanding

Sanding strips away the weathered layer and old finish to expose clean timber. It also gets rid of splinters and rough patches, which matters if children or pets use the deck.

The finishing coat

Finally, the deck is treated with a quality UV-resistant decking oil. Decking oil penetrates the wood, repels moisture and slows down UV greying, without peeling like some paints and stains. Clear and tinted options are available, depending on the look you want.

Restore or replace?

Even very weathered decking is usually worth saving. If the boards and frame beneath are structurally sound, restoration is normally possible. Try pressing a screwdriver into the timber; if it goes in easily, there may be rot that needs attention. A few damaged boards can be replaced as part of the restoration without the cost of a new deck.

Restoring rather than replacing is also better for the environment, as it keeps good timber in use for longer.

When to restore decking

Late spring and early summer are usually the best times for decking restoration. Dry weather is essential, both for sanding and for giving the oil time to penetrate and cure. It is worth booking ahead, as demand rises quickly once the weather improves. An autumn treatment is another option, adding protection ahead of the colder months.

A safer outdoor space

A green, slippery deck can be genuinely dangerous, especially for young children and older relatives. Regular cleaning and a good protective oil make the surface much safer underfoot.

Key points to remember

  • Even a grey, mossy and slippery deck can usually be brought back after a hard winter.

  • Restoration involves deep cleaning, repairs, sanding and a protective UV-resistant decking oil.

  • If a screwdriver sinks easily into the boards or frame, those sections may need replacing.

  • Plan the work for a dry spell in late spring or early summer for the best results.

  • An annual maintenance coat of oil keeps the deck protected and looking good for longer.

Aftercare

  • Sweep regularly to remove leaves and debris, especially in autumn.

  • Clean off algae early, before it builds up.

  • Make sure water can drain freely from the boards.

  • Re-oil once a year, ideally in spring or early summer.

  • Move plant pots and furniture occasionally to avoid damp patches.

A yearly coat of oil keeps decking healthy and attractive season after season. Leaving it longer usually means a deeper restoration next time.

Want your deck ready for summer? Our decking restoration service covers homes across Esher, from small patios to large garden decks. You can check typical costs on our prices page.

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