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Decking Treatments

Protect and preserve garden decking with a high quality decking treatment and protector. Suitable for both softwood and hardwood decking, these products are formulated to keep wooden decks in tip-top condition and looking great all year round.

Use a decking cleaner to remove surface dirt, debris, mould and algae. If decking is new, untreated or weathered, we recommend a decking preservative to help protect against fungi, mould and decay. To protect from weathering and UV damage, apply a decking stain or high quality decking oil for an attractive, long lasting finish.

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Displaying 48 products

Recommended
Cuprinol Anti-Slip Decking Stain
Cuprinol Anti-Slip Decking Stain
  4.8/5.0  (628)
£16.95 - £31.95
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
More info
Available in 2.5L, 5L
Recommended
Manns UV Protection Decking Oil Thumb
Manns Premier UV Decking Oil
  5.0/5.0  (224)
£32.99
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
  • 10m² per litre
  • 12 hrs drying time
More info
Available in 5L
Wood Preservative
Barrettine Premier Wood Preserver
  5.0/5.0  (2554)
£14.75 - £30.48
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
More info
Available in 1L, 5L
Ronseal Decking Oil
Ronseal Decking Oil
  5.0/5.0  (2064)
£21.99 - £29.75
A protective decking oil that nourishes and protects soft and hardwood decking. Available in natural and a range of lightly tinted wood shades to enhance wooden decks.
  • 2 coats
  • 10m² per litre
  • 6 hrs drying time
More info
Available in 2.5L, 5L
Ronseal Ultimate Protection Decking Oil
Ronseal Ultimate Protection Decking Oil
  4.8/5.0  (974)
£19.95 - £29.95
A water-based, all-in-one decking oil offering superior protection, lasting twice as long as Ronseal's original. Rainproof in 90 minutes, protects decking from splitting and greying whilst keeping the natural look and feel of your decking boards.
  • 2 coats
  • 9m² per litre
  • 24 hrs drying time
More info
Available in 2.5L, 5L
Barrettine Decking Oil
Barrettine Decking Oil
  5.0/5.0  (985)
£23.95 - £27.99
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
  • 10m² per litre
  • 12 hrs drying time
More info
Available in 2.5L, 5L
Osmo Decking Oil
Osmo Decking Oil
  4.9/5.0  (164)
£1.17 - £58.48
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
More info
Available in 5ml sample, 125ml, 750ml, 2.5L
Ronseal Ultimate Protection Decking Stain
Ronseal Ultimate Protection Decking Stain
  4.5/5.0  (347)
£22.95 - £33.75
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
More info
Available in 2.5L, 5L
Ronseal Total Wood Preservative
Ronseal Total Wood Preservative
  4.9/5.0  (261)
£20.50 - £29.95
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
More info
Available in 2.5L, 5L
Clearance
Ronseal Decking Protector
Ronseal Decking Protector
  4.6/5.0  (122)
£21.66 Was £29.88
Save 27.5%
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
More info
Available in 5L
Cuprinol UV Guard Decking Oil
Cuprinol UV Guard Decking Oil
  5.0/5.0  (107)
£22.45 - £28.95
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
More info
Available in 2.5L, 5L
Osmo Wood Reviver Gel
Osmo Wood Reviver Power Gel (6609)
  4.1/5.0  (126)
£7.49 - £125.77
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
  • 1 hr drying time
More info
Available in 500ml, 2.5L, 5L, 10L
Wood Preservative
Barrettine Premier Universal Preserver
  5.0/5.0  (115)
£11.95 - £28.59
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
More info
Available in 1L, 5L
Liberon Decking Oil
Liberon Decking Oil
  5.0/5.0  (58)
£21.99 - £30.40
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
More info
Available in 2.5L, 5L
Osmo Anti Slip Decking Oil (430)
Osmo Anti Slip Decking Oil (430)
  4.6/5.0  (89)
£10.14 - £70.53
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
More info
Available in 125ml, 750ml, 2.5L
Fungicidal Wash (Multicide)
Barrettine Mould and Mildew Cleaner
  5.0/5.0  (63)
£11.25
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
More info
Available in 4L
Ronseal Decking Cleaner and Reviver
Ronseal Decking Cleaner and Reviver
  4.9/5.0  (24)
£11.90
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
More info
Available in 5L
Liberon Garden ColourCare Decking Paint
Liberon Garden ColourCare Decking Paint
  4.9/5.0  (13)
£22.95
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
More info
Available in 2.5L
Cuprinol Wood Preserver Clear
Cuprinol Wood Preserver Clear
  4.8/5.0  (5)
£11.10 - £39.95
A clear, water-based wood preservative treatment for interior and exterior timber. Prevents insect attack, rot and decay.
  • 2 coats
  • 9m² per litre
  • 16 hrs drying time
More info
Available in 1L, 5L
Osmo End Grain Sealing Wax thumb
Osmo End Grain Sealing Wax (5735)
  4.7/5.0  (26)
£17.45
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
More info
Available in 375ml
Ronseal Ultimate Protection Decking Paint
Ronseal Ultimate Protection Decking Paint
  5.0/5.0  (2)
£28.75 - £48.85
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
More info
Available in 2.5L, 5L
Decking and Patio Cleaner
Barrettine Driveway, Decking and Patio Cleaner
  4.5/5.0  (34)
£10.30
A water-based cleaner that keeps mould, algae and fungi under control.
  • 1-2 coats
  • 4m² per litre
  • 24 hrs drying time
More info
Available in 4L
Sadolin Decking Stain and Protector
Sadolin Decking Stain and Protector
  4.9/5.0  (15)
£31.15
A 2-in-1, water-based decking stain and protector for wooden decking. Advanced UV-active technology provides excellent weather protection. Resistant to mould and algae. Available in a Natural finish and a range of colours.
  • 2-3 coats
  • 10m² per litre
  • 6 hrs drying time
More info
Available in 2.5L
Barrettine Anti-Slip Decking Oil
Barrettine Anti-Slip Decking Oil
  5.0/5.0  (11)
£27.48 - £39.89
A premium quality decking oil which incorporates anti-slip technology to improve grip on decking boards, handrails, wooden steps and other exterior wood surfaces.
  • 1 coat
  • 17m² per litre
  • 48 hrs drying time
More info
Available in 2.5L, 5L
Osmo Decking Cleaner (8025)
Osmo Decking Cleaner (8025)
  5.0/5.0  (8)
£10.75 - £43.17
A concentrated decking cleaner for use on untreated or oiled wooden decking. Effectively removes dirt and stains from decking boards.
  • 1-2 coats
  • 100m² per litre
  • 30 mins drying time
More info
Available in 1L, 5L
Cuprinol Decking Cleaner
Cuprinol Decking Cleaner
  4.4/5.0  (16)
£12.81
An effective anti-algae decking cleaner for softwood and hardwood decking. Contains powerful detergents, specially formulated to remove dirt, grease, algae and mould from garden decking.
  • 1 coat
  • 12m² per litre
  • 16 hrs drying time
More info
Available in 2.5L
Holzol Decking Oil
Holzol Decking Oil
  4.8/5.0  (14)
£5.80 - £45.20
A trade quality decking oil for use on all wooden decking. Made from a unique blend of natural oils modified with urethane resin and enriched with UV filters to reduce greying. Available in clear and a range of vibrant colours.
  • 2 coats
  • 22m² per litre
  • 10 hrs drying time
More info
Available in 100ml, 2.5L
Ronseal Decking Stripper
Ronseal Decking Stripper
  3.7/5.0  (5)
£31.35
Specially formulated decking stripper for the removal of decking stains and decking oils prior to re-finishing. Works in just 30 minutes.
  • 1 coat
  • 5m² per litre
  • 30 mins drying time
More info
Available in 2.5L
Clearance
Ronseal Decking Stain
Ronseal Decking Stain
  3.5/5.0  (100)
£22.40 - £33.28 Was £28.00 - £41.60
Save 20%
A water-based decking stain for bare, pressure treated or preservative impregnated decking. Colours and protects soft and hardwood decking. Dries to a tough, durable, slip resistant finish.
  • 2 coats
  • 10m² per litre
  • 1h 30m drying time
More info
Available in 2.5L, 5L
Ronseal Decking End Grain Protector
Ronseal Decking End Grain Protector
  5.0/5.0  (7)
£12.55
Waterproofs and protects cross cut end grains on decking against water damage which can lead to rot and decay. Rainproof in 90 minutes.
  • 2 coats
  • 8m² per litre
  • 24 hrs drying time
More info
Available in 750ml
Special Offer
Barrettine Mould and Mildew Spray
Barrettine Mould and Mildew Spray
£7.42 Was £8.25
Save 10%
An effective spray for the control of mould spores, algae and fungi. Ideal for localised areas that need attention. Handy trigger spray bottle for easy application.
  • 1-2 coats
  • 4m² per litre
  • 24 hrs drying time
More info
Available in 500ml
Ronseal Multi Purpose Wood Treatment
Ronseal Multi Purpose Wood Treatment
  4.7/5.0  (6)
£20.35 - £29.95
A clear, multi-purpose, solvent-based wood preservative that provides protection against wet rot, dry rot, woodworm and insect attack. Ideal for a variety of projects including garden decking.
  • 3 coats
  • 6m² per litre
  • 24 hrs drying time
More info
Available in 2.5L, 5L
Barrettine End Grain Preserver
Barrettine End Grain Preserver
  5.0/5.0  (3)
£21.45
A solvent-based end grain preserver which deeply penetrates to protect against wood boring insects, wood rotting fungi and blue stain.
  • 2 coats
  • 5.5m² per litre
  • 24 hrs drying time
More info
Available in 1L
Ronseal Decking Restorer
Ronseal Decking Restorer
  5.0/5.0  (3)
£20.45
A specifically designed decking restorer for weathered or grey decking. Suitable for ridged, smooth, softwood and hardwood decking. Revives and cleans wooden decking back to its natural appearance.
  • 1 coat
  • 15m² per litre
  • 20 mins drying time
More info
Available in 2.5L
Ronseal Woodworm Killer
Ronseal Woodworm Killer
  5.0/5.0  (6)
£17.99 - £27.99
An effective, water-based woodworm killer that penetrates deep into the wood to kill wood boring insects, their larvae and eggs. Suitable for a wide range of interior and exterior projects including decking joists and boards.
  • 3 coats
  • 10m² per litre
  • 2 hrs drying time
More info
Available in 1L, 5L
Cuprinol Total Deck
Cuprinol Total Deck
  4.9/5.0  (14)
£28.48 - £39.94
A clear, all-in-one, water-based decking oil and restorer for all softwood and hardwood decking. Restores grey and weathered decking in just one coat.
  • 1 coat
  • 9m² per litre
  • 5 hrs drying time
More info
Available in 2.5L, 5L
Liberon Anti-Slip Coating
Liberon Anti-Slip Coating
£16.60 - £38.95
A clear coating suitable for use on cement, stone and wood surfaces. Ideal for patios, decking, utility rooms and swimming pools.
  • 2 coats
  • 12m² per litre
  • 12 hrs drying time
More info
Available in 1L, 2.5L
Cuprinol Stain Stripper
Cuprinol Stain Stripper
£30.45
An effective decking stripper for the removal of old decking stains and paints. Removes most surface coatings from softwood and hardwood decking in less than 4 hours.
  • 1 coat
  • 4m² per litre
  • 2 hrs drying time
More info
Available in 2.5L
Sadolin Decking Oil
Sadolin Decking Oil
£36.45
A high quality decking oil for use on all wooden garden decking. Replaces natural oils lost through weathering. Provides excellent weather protection. It is resistant to mould and algae, and contains UV-active technology.
  • 1-2 coats
  • 10m² per litre
  • 16 hrs drying time
More info
Available in 2.5L
Osmo Exterior Spray Cleaner (8027)
Osmo Exterior Spray Cleaner (8027)
£8.39
A ready-to-use spray for cleaning oiled exterior wooden surfaces. Also for use on stone, vinyl and PVC. Contains soaps based on natural oils. Ideal for garden furniture and the localised cleaning of garden decking.
More info
Available in 500ml
Sadolin Beautiflex
Sadolin Beautiflex
  5.0/5.0  (3)
£21.55 - £40.55
A solvent-based, opaque wood stain for all exterior wood, including garden decking. Highly durable and flexible. Water and UV-resistant.
  • 2-3 coats
  • 15m² per litre
  • 20 hrs drying time
More info
Available in 1L, 2.5L
Liberon Tough Deck Clean and Revive
Liberon Tough Deck Clean and Revive
  5.0/5.0  (1)
£15.80
An effective cleaning solution for use on old and soiled wooden decking which has dulled and faded over time.
  • 1 coat
  • 30m² per litre
  • 24 hrs drying time
More info
Available in 2L
Barrettine Wood Reviver
Barrettine Wood Reviver
  5.0/5.0  (2)
£11.15 - £47.65
Water-based restoration treatment for cleaning and restoring wood damaged by weather and UV rays. Suitable for all wood types.
  • 1 coat
  • 4m² per litre
  • 15 mins drying time
More info
Available in 1L, 5L
Osmo Polymer Composite Cleaner (8021)
Osmo Polymer Composite Cleaner (8021)
£17.08 - £74.66
A lightly alkaline-based intensive cleaner for composite decking. Removes organic and inorganic dirt and stains from WPC and BPC decking boards.
  • 50m² per litre
More info
Available in 1L, 5L
Protek Decking Stain
Protek Decking Stain
£27.99
Enriches decking, whilst offering great waterproof protection. For all exterior wood. Child, pet and plant friendly when dry.
  • 2 coats
  • 10m² per litre
  • 2 hrs drying time
More info
Available in 2.5L
Barrettine Super Concentrated Decking Cleaner
Barrettine Super Concentrated Decking Cleaner
  5.0/5.0  (1)
£7.99
A highly concentrated decking cleaner that cleans and maintains all types of garden decking and furniture.
  • 1-2 coats
  • 40m² per litre
More info
Available in 500ml
Rustins Quick Dry Textured Decking Oil
Rustins Quick Dry Textured Decking Oil
£33.95
A water-based, slip resistant decking oil with UV filters and biocide. Quick drying and hard wearing.
  • 2-3 coats
  • 14m² per litre
  • 30 mins drying time
More info
Available in 2.5L
Ronseal Quick Drying Decking Stain
Ronseal Quick Drying Decking Stain
£24.98 - £41.60
A quick drying, water-based decking stain that colours and protects softwood and hardwood decking.
  • 2 coats
  • 10m² per litre
  • 1 hr drying time
More info
Available in 2.5L, 5L