Decking Treatment

The perfect way to treat, weatherproof, and protect garden decking

These decking treatments are designed to keep wood decking in tip-top condition all-year-round, whilst protecting against weathering, wear, mould, and algae. Choose from our range of top brand decking oil, decking stain, and decking paint products to renovate, rejuvenate, and restore garden decking.

Don't forget the all-important decking cleaning and maintenance schedule! From decking preservers to decking cleaners and restorers, we have everything needed for day-to-day cleaning, or as part of a decking preparation process, prior to applying a decking finish.

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Displaying 47 products

Recommended
  4.9/5.0  (1148)
Offers superior decking protection and lasts up to twice as long as Ronseal's original decking oil formula. Rainproof in 90 minutes, water-based formula.
  • 2 coats
  • 9m² per litre
  • 24 hrs drying time
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Available in 2.5L, 5L
Recommended
  4.9/5.0  (1189)
An advanced formulation decking oil with excellent water resistance that both protects and enhances wooden decking. Available in clear and a range of attractive wood tone colours.
  • 1-2 coats
  • 8m² per litre
  • 12 hrs drying time
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Available in 2.5L, 5L
Recommended Special Offer
  4.8/5.0  (254)
A premium grade decking oil for all softwood and hardwood decking. Feeds and nourishes garden decking timbers to prevent cracking, warping and splitting. Available in clear and coloured finishes that dry to a satin-matt finish.
  • 2 coats
  • 24m² per litre
  • 12 hrs drying time
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Available in 5ml sample, 125ml, 750ml, 2.5L
Recommended
  4.9/5.0  (401)
A multi-purpose, solvent-based decking oil treatment for use on both softwood and hardwood decking. Protects against weathering and UV damage. Deep penetrating formula reduces the risk of timber cracking, splitting and warping.
  • 2 coats
  • 8m² per litre
  • 12 hrs drying time
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Available in 5L
Clearance
  4.9/5.0  (2983)
A solvent-based wood preservative that offers microporous protection against wood rot, fungi, decay and mould. Available in clear and coloured formulations suitable for wooden decking and other garden wood.
  • 2-3 coats
  • 6m² per litre
  • 12 hrs drying time
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Available in 1L, 5L
  4.9/5.0  (786)
A water-based decking stain for all softwood and hardwood decking. Unique double action formulation which provides lasting weather protection with anti-slip properties to make garden decking safer.
  • 2-3 coats
  • 12m² per litre
  • 4 hrs drying time
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Available in 2.5L, 5L
  4.8/5.0  (383)
A long lasting, water-based decking stain and protective treatment for garden decking. Rainproof in 90 minutes. Dries to a tough, durable finish.
  • 2 coats
  • 8m² per litre
  • 4 hrs drying time
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Available in 2.5L, 5L
  4.8/5.0  (309)
A complete, solvent-based wood preservative from Ronseal. Can be used on new, bare wood or recently stripped decking to prevent rot, decay and woodworm prior to applying a decking treatment.
  • 3 coats
  • 8m² per litre
  • 24 hrs drying time
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Available in 5L
  5.0/5.0  (138)
An all-in-one, water-based, protective decking treatment. Wax-enriched formula provides excellent water repellency. UV-resistant to protect the colour of decking for longer.
  • 2 coats
  • 6m² per litre
  • 1h 30m drying time
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Available in 5L
  4.9/5.0  (141)
A water-based decking oil for softwood and hardwood decking. Deep penetrating formula replaces natural oils lost through weathering. UV-resistant and available in a range of colours.
  • 2 coats
  • 10m² per litre
  • 6 hrs drying time
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Available in 2.5L, 5L
  4.3/5.0  (159)
A biodegradable, odour-free cleaner to remove greying and restore the natural character of sun-bleached or weather damaged wood. Can be used to restore the colour of decking timbers prior to treating with a decking oil or stain.
  • 1-2 coats
  • 10m² per litre
  • 20 mins drying time
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Available in 500ml, 2.5L, 5L, 10L
  4.9/5.0  (152)
An all purpose, solvent-based wood preservative. Wax-free, low odour formulation protects against wood rot, fungi, decay and mould. Ideal for garden decking prior to applying a decking oil or stain.
  • 2-3 coats
  • 6m² per litre
  • 12 hrs drying time
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Available in 1L, 5L
  4.9/5.0  (81)
A high quality, solvent-based decking oil that protects and revives both old and new timber decking. Revives weathered and greying decking, and is water and UV-resistant.
  • 2 coats
  • 10m² per litre
  • 24 hrs drying time
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Available in 2.5L, 5L
  5.0/5.0  (102)
A high quality, anti-slip decking oil for all garden decking. Offers durable, year round performance. Dries to a tough, clear, satin-matt finish.
  • 1 coat
  • 24m² per litre
  • 10 hrs drying time
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Available in 125ml, 750ml, 2.5L
  4.6/5.0  (100)
An effective multicide, fungicidal wash for the control of mould, algae and fungi. Ideal for the cleaning and restoration of old or neglected decking. Use as a pre-treatment on bare wood or stripped decking prior to applying a decking oil or stain.
  • 1-2 coats
  • 10m² per litre
  • 24 hrs drying time
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Available in 4L
  4.5/5.0  (61)
Revives old, weathered decking. Removes moss, mould and algae. Prepares decking prior to applying a decking treatment, such as a decking oil or stain.
  • 4m² per litre
  • 15 mins drying time
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Available in 5L
  4.9/5.0  (67)
A water-based decking paint for softwood and hardwood decking. Provides vibrant colour and lasting protection to old and new decking.
  • 2 coats
  • 8m² per litre
  • 4 hrs drying time
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Available in 2.5L, 5L
  4.7/5.0  (16)
A clear, water-based wood preservative treatment for interior and exterior timber. Prevents insect attack, rot and decay.
  • 2 coats
  • 5m² per litre
  • 16 hrs drying time
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Available in 1L, 5L
  4.9/5.0  (25)
A decorative, water-based decking paint for all wooden decking. Ideal for use on old and worn garden decking boards. Colours, protects and prevents wood degeneration by repelling water and protecting against UV damage.
  • 2 coats
  • 10m² per litre
  • 8 hrs drying time
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Available in 2.5L
  5.0/5.0  (32)
Protects sawn ends of decking boards by sealing and protecting them from the elements. Helps to prevent wood swelling and shrinkage.
  • 2 coats
  • 5m² per litre
  • 4 hrs drying time
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Available in 375ml