10 Best Outdoor Wood Preserver Clear in The UK

Last updated on 27/06/2025
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1
9.8
Exceptional
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Barrettine Wood Preserver (Clear, 5L) - UV Fade Resistant, Durable & Water Repellent Premier Wood Preserver, Deep Penetrating, Low Odour & Oil Based, Suitable for Outdoor & Indoor Use
Barrettine
Barrettine Wood Preserver (Clear, 5L) - UV Fade Resistant, Durable & Water Repellent Premier Wood Preserver, Deep Penetrating, Low Odour & Oil Based, Suitable for Outdoor & Indoor Use
5% Off
Why We Love It
  • Preserves natural wood texture.
  • Protects against wood destroying issues.
  • Deeply penetrates for lasting protection.
Main Highlights
  • WOOD PRESERVER: Available in a range of colours and sizes, the Barrettine Premier Wood Preserver is a premium, low odour, oil based wood preserver that deeply penetrates wood. It effectively protects against wood-destroying fungi (wet rot), discolouring fungi, and wood-boring insects.
  • VERSATILE FORMULA: This versatile wood preserver delivers a semi-transparent matt/satin finish, enhancing the natural wood grain. Suitable for use on pressure-treated, treated, or untreated wood, the interior and exterior preserver offers both protection and aesthetic appeal.
  • UV & FADE RESISTANT: Perfect for outdoor applications, Barrettine Wood Preserver is ideal for any window, doors, and frames (both internal and external) and structural timbers in unoccupied spaces like floor joists.. The indoor & outdoor wood protector offers UV and fade resistance for long-lasting protection.
  • WATER REPELLENT: The waterproof wood protector provides high level wood protective treatment and wood preservation thanks to its superb water repellent resin quality. No subsequent topcoat is required unless for aesthetic purposes.
  • PERFECT FOR HOME USE: Our premium wood treatment is suitable for rough, sawn or smooth timber, ensuring long-lasting durability and does not require over sealing for wood protection, making it perfect for your own home improvement project.
9.8
Exceptional
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2
9.7
Exceptional
Cuprinol WATER BASED WOOD PRESERVER CLEAR 5L
Cuprinol
Cuprinol WATER BASED WOOD PRESERVER CLEAR 5L
Why We Love It
  • Versatile indoor and outdoor application.
  • Deep penetrating protective formula.
  • Covers 25m² with sufficient volume.
Main Highlights
  • Wood Preserver Clear 5 litre
  • interior or exterior use
  • penetrating protection
  • 1L covers up to 5m² with 2 coats, 5L covers up to 25m² with 2 coats Drying Time: 16 hours
9.7
Exceptional
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3
9.7
Exceptional
Barrettine Wood Protective Treatment (Clear, 5L) - Ideal Treatment for Outdoor Treated Timber Structures. Wood Protector Oil with Water Repellent Qualities. UV & Fade Resistant.
Barrettine
Barrettine Wood Protective Treatment (Clear, 5L) - Ideal Treatment for Outdoor Treated Timber Structures. Wood Protector Oil with Water Repellent Qualities. UV & Fade Resistant.
Why We Love It
  • Resistant to UV and fading.
  • Deeply penetrating, low-odor formula.
  • Preserves against mold, algae.
Main Highlights
  • WOOD SEALER: Barrettine's Wood Protective Treatment is a wood sealer for rough, sawn, or smooth timber. Contains water repellent resins and film biocide preserver to aid in the prevention of surface growth of mould / algae and together this helps reduce decay, swelling, twisting of wood. Available in a range of colours and sizes.
  • UV & FADE RESISTANT: The pigments of the wood sealant have good UV fade resistance and will help protect the wood from UV damage for long-life protection. Suitable for most exterior timbers and structures, such as a garden shed, garden fence, trellis, pergola, timber gazeboes and more.
  • DEEP PENETRATING OIL: The outdoor wood protector is oil based for deeper penetration, leaving a transparent/translucent finish colour effect to wood, where the grain texture is still visible.
  • WATER REPELLENT: As a wood sealer, it provides excellent water repellence, as it contains water-repellent resins that help reduce decay, swelling, and twisting of wood. This wood protector provides unrivalled wood treatment.
  • BENEFICIAL INSECT FRIENDLY WHEN DRY - Once dry, our Wood Protective Treatment is beneficial insect and plant friendly, so you are protecting nature as well as your wooden materials.
9.7
Exceptional
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4
9.5
Superb
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RONSEAL RSLWPCL5L 5 Litre Total Wood Preserver - Clear
Ronseal
RONSEAL RSLWPCL5L 5 Litre Total Wood Preserver - Clear
11% Off
Why We Love It
  • Versatile for wood treatment.
  • Clear, aesthetic finish.
  • Applicable on various textures.
Main Highlights
  • Colour: Clear.
  • It is an ideal pre-treatment for interior and exterior wood and suitable for overpainting
  • Perfect to use on rough or smooth timber
9.5
Superb
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5
9.4
Superb
Clearell 20L | Wood Preserver Oil | Clear – Water, UV, Mould Protection for All Outdoor Wood - Natural Oil Sealer & Preserver for All Cedar, Decking, Fences, Sheds & Furniture - 20 litres
Clearell
Clearell 20L | Wood Preserver Oil | Clear – Water, UV, Mould Protection for All Outdoor Wood - Natural Oil Sealer & Preserver for All Cedar, Decking, Fences, Sheds & Furniture - 20 litres
Why We Love It
  • Deep-sealing action protects wood.
  • Natural oils reduce cracking.
  • UV shield prevents fading.
Main Highlights
  • DEEP-SEALING ACTION: Penetrates beneath the surface to form a protective, breathable layer within the wood grain.
  • NATURAL OIL FORMULA: Crafted with natural wood oils to reinforce timber fibres and reduce drying, cracking, and ageing.
  • UV SHIELD TECHNOLOGY: Helps delay fading and discolouration caused by long-term sun exposure without altering the natural tone.
  • TRIPLE BARRIER DEFENCE: Protects against moisture ingress, algae growth, and fungal attack — reducing warping, mould, and splitting.
  • MULTI-SURFACE READY: Designed for use on decking, sheds, fences, pergolas, planters, and garden furniture. Fast-absorbing, brush, roller and spray friendly.
9.4
Superb
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6
9.2
Superb
Roxil Wood Waterproofing Liquid (5L Clear) Wood Preserver Outdoor, Wood Sealer for decking, Fence, Sheds and Furniture
Roxil
Roxil Wood Waterproofing Liquid (5L Clear) Wood Preserver Outdoor, Wood Sealer for decking, Fence, Sheds and Furniture
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Why We Love It
  • Preserves wood beauty.
  • Minimizes organic buildup.
  • Enhances wood durability.
Main Highlights
  • Waterproofs wood & maintains appearance
  • Reduced organic growth - reduces mould & algae growth
  • Protects wood from warping and improves dimensional stability
  • Long lifetime
  • Non Biocidal - Ready for use
9.2
Superb
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7
9.2
Superb
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Rustins Shed & Fence Clear 5L - Advanced Wood Protector for Outdoor Structures
RUSTINS
Rustins Shed & Fence Clear 5L - Advanced Wood Protector for Outdoor Structures
14% OffFree Shipping
Why We Love It
  • Ultimate wood protection.
  • Crystal clear finish.
  • Effortless lasting defense.
Main Highlights
  • Ultimate Wood Preservation: Rustins Shed & Fence Clear offers superior protection, preventing decay and extending the lifespan of your outdoor wooden structures.
  • Crystal Clear Finish: Formulated for an invisible touch, our wood protector maintains the natural beauty of your shed and fence while shielding against the elements.
  • Easy Application for Lasting Defense: Effortlessly apply our clear solution for long-lasting defense against weathering and aging. ADD TO CART now for enduring protection.
  • Quick-Dry Technology: Enjoy efficient application with Rustins' quick-dry formula, ensuring minimal downtime and allowing you to enjoy your revitalized outdoor space sooner.
  • Versatile Outdoor Use: Ideal for sheds, fences, pergolas, and more, our advanced formula provides a versatile solution for preserving various wooden surfaces.
9.2
Superb
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9.2
Superb
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Sika Sikagard Wood Preserver – Prevents Wood Rot and Decay – Fast-Drying – Clear – 5 Litre
Sika
Sika Sikagard Wood Preserver – Prevents Wood Rot and Decay – Fast-Drying – Clear – 5 Litre
6% OffFree Shipping
Why We Love It
  • Versatile for internal and external use.
  • Includes Micro-fine active technology.
  • Enhances wood penetration.
Main Highlights
  • QUICK-DRYING – This non-flammable Sika wood rot treatment is fast-drying and can be applied to all wood and joinery in damp/wet conditions without loss of performance.
  • SPECIALLY FORMULATED – Employs a low-odour, solvent-free formula based on innovative Micro-fine active technology.
  • FUNGICIDAL – Contains finely dispersed fungicides and algaecides, making wood penetration more effective compared to standard wood preservers.
  • MULTI-USE – Suitable for both internal and external use. Ideal for use on rough-sawn or planed timbers such as floorboards, joists, roof timbers, window frames, and door frames.
  • GENEROUS COVERAGE – 5 litres covers 15-20 m2.
9.2
Superb
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9
9.1
Superb
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Everbuild Wood Preserver – Interior And Exterior Use – Low Odour – Quick Drying – Long Lasting Protection – Clear – 5 Litres
Everbuild
Everbuild Wood Preserver – Interior And Exterior Use – Low Odour – Quick Drying – Long Lasting Protection – Clear – 5 Litres
18% Off
Why We Love It
  • Deep wood penetration.
  • Fade resistant finish.
  • Fast drying formula.
Main Highlights
  • TECHNOLOGICALLY ADVANCED – Micro-fine active technology to ensure the protection fully penetrates the wood.
  • QUICK DRYING – This ready-to-use mix is low odour, non-flammable and dries quickly, so your DIY job can be completed quickly and safely.
  • SUITABLE FOR INTERIOR AND EXTERIOR WOOD AND JOINERY – Can be used on a range of rough-sawn or planed wood, including floorboards, joists, roofing timbers, window frames, doors and more.
  • IDEAL FOR EXTERNAL PREP WORK – When used on external wood, it's recommended to wait 48 hours and then overpaint or varnish for a protected finish.
  • PROFESSIONAL INTERIOR FINISH – When used indoors, it delivers a clean, protective finish to wood without the need for additional painting.
  • LONG-LASTING PROTECTION – Contains algaecides and fungicides within the formula to give protection from damage caused by wet rot, dry rot, decay and fungi.
  • CLEAR OR NATURAL COLOURS – Comes in 1L, 5L and 25L tins of clear and 5L tins of wood shades which contain ultra-lightfast pigments to ensure a fade-resistant finish to suit your space. The wood shades are red cedar, dark oak, golden chestnut and fir green.
  • Wood Preserver
  • Size: 5LTR
  • Brand: Everbuild
9.1
Superb
Save 18%
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10
9.1
Superb
Save 4%
Everbuild LJUN05 Triple Action (Kills, Protects and Preserves) Wood Treatment, Clear, 5 Litre
Everbuild
Everbuild LJUN05 Triple Action (Kills, Protects and Preserves) Wood Treatment, Clear, 5 Litre
4% Off
Why We Love It
  • Versatile for all wood types.
  • Long-lasting protection formula.
  • Fast drying on damp timbers.
Main Highlights
  • VERSATILE – This wood treatment is suitable for internal and external applications on sheds, garages, fencing, roof beams, garden furniture, floorboards, window frames and doors.
  • LASTING PROTECTION – This fast drying, non-flammable, solvent-free formula employs micro-fine active technology with added fungicides, algaecides and Permethrin for long-lasting protection.
  • FAST DRYING – Can be applied to damp timbers without a loss of performance.
  • PENETRATING FORMULA – Specifically designed to deeply penetrate all wood and joinery, providing long-lasting protection from damage caused by wet rot, dry rot, decay, fungi and wood-boring insects/larvae.
  • MULTIPLE SIZES – Available in 1-litre, 2.5-litre, 5-litre and 25-litre cans.
  • Triple Action Wood Treatment
  • Size: 5LTR
  • Brand: Everbuild
9.1
Superb
Save 4%
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