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Best Outdoor Wood Preserver of 2026
Last updated on 11/05/2026
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1
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
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.
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9.9
Exceptional
Check Price
9.9
Exceptional
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
Check Price
Show More
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.
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Value for Money
2
Barrettine Wood Protective Treatment (Clear, 5L) - Ideal Treatment for Outdoor Treated Timber Structures. Wood Protector Oil with Water Repellent Qualities. UV & Fade Resistant.
Barrettine
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 coloured wood sealant have good UV fade resistance and help give long-life protection from UV damage. Suitable for most exterior timbers such as a garden shed, garden fence, trellis, pergola, timber gazeboes and more. (No pigments in Clear option)
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.
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9.8
Exceptional
Check Price
9.8
Exceptional
Barrettine
Barrettine Wood Protective Treatment (Clear, 5L) - Ideal Treatment for Outdoor Treated Timber Structures. Wood Protector Oil with Water Repellent Qualities. UV & Fade Resistant.
Check Price
Show More
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 coloured wood sealant have good UV fade resistance and help give long-life protection from UV damage. Suitable for most exterior timbers such as a garden shed, garden fence, trellis, pergola, timber gazeboes and more. (No pigments in Clear option)
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.
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3
Barrettine Wood Protective Treatment (Light Brown, 5L) - Ideal Treatment for Outdoor Treated Timber Structures. Wood Protector Oil with Water Repellent Qualities. UV & Fade Resistant.
Barrettine
Why we love it
Resistant to UV and fading.
Penetrates deeply, low odour.
Preserves against mould, 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 coloured wood sealant have good UV fade resistance and help give long-life protection from UV damage. Suitable for most exterior timbers such as a garden shed, garden fence, trellis, pergola, timber gazeboes and more. (No pigments in Clear option)
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.
Show More
9.6
Superb
Check Price
9.6
Superb
Barrettine
Barrettine Wood Protective Treatment (Light Brown, 5L) - Ideal Treatment for Outdoor Treated Timber Structures. Wood Protector Oil with Water Repellent Qualities. UV & Fade Resistant.
Check Price
Show More
Why we love it
Resistant to UV and fading.
Penetrates deeply, low odour.
Preserves against mould, 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 coloured wood sealant have good UV fade resistance and help give long-life protection from UV damage. Suitable for most exterior timbers such as a garden shed, garden fence, trellis, pergola, timber gazeboes and more. (No pigments in Clear option)
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.
Show More
4
Barrettine Wood Protective Treatment (Dark Brown, 5L) - Ideal Treatment for Outdoor Treated Timber Structures. Wood Protector Oil with Water Repellent Qualities. UV & Fade Resistant.
Barrettine
Why we love it
UV and fade resistant stains.
Deep penetrating, low odour formula.
Harmless to plants, beneficial insects.
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 coloured wood sealant have good UV fade resistance and help give long-life protection from UV damage. Suitable for most exterior timbers such as a garden shed, garden fence, trellis, pergola, timber gazeboes and more. (No pigments in Clear option)
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.
Show More
9.5
Superb
Check Price
9.5
Superb
Barrettine
Barrettine Wood Protective Treatment (Dark Brown, 5L) - Ideal Treatment for Outdoor Treated Timber Structures. Wood Protector Oil with Water Repellent Qualities. UV & Fade Resistant.
Check Price
Show More
Why we love it
UV and fade resistant stains.
Deep penetrating, low odour formula.
Harmless to plants, beneficial insects.
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 coloured wood sealant have good UV fade resistance and help give long-life protection from UV damage. Suitable for most exterior timbers such as a garden shed, garden fence, trellis, pergola, timber gazeboes and more. (No pigments in Clear option)
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.
Show More
5
Ronseal RSLWPCL5L 5 Litre Total Wood Preserver - Clear
Ronseal
5% 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
Show More
9.4
Superb
Check Price
9.4
Superb
Ronseal
Ronseal RSLWPCL5L 5 Litre Total Wood Preserver - Clear
5% Off
Check Price
Show More
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
Show More
6
Roxil Wood Waterproofing Liquid (5L Clear) Wood Preserver Outdoor, Wood Sealer for decking, Fence, Sheds and Furniture
Roxil
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
Show More
9.2
Superb
Check Price
9.2
Superb
Roxil
Roxil Wood Waterproofing Liquid (5L Clear) Wood Preserver Outdoor, Wood Sealer for decking, Fence, Sheds and Furniture
Check Price
Show More
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
Show More
7
Everbuild LJUN05 Triple Action (Kills, Protects and Preserves) Wood Treatment, Clear, 5 Litre
Everbuild
9% 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
Show More
9.1
Superb
Check Price
9.1
Superb
Everbuild
Everbuild LJUN05 Triple Action (Kills, Protects and Preserves) Wood Treatment, Clear, 5 Litre
9% Off
Check Price
Show More
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
Show More
8
Furniture Clinic Outdoor Wood Preserver - 5L Clear Waterproof Wood Sealant Treatment for Garden Furniture, Fences, Decking & Sheds - Easy Application with a Brush, Roller or as a Spray
Furniture Clinic
17% Off
Why we love it
Seals and protects wood surfaces.
Maintains natural wood appearance.
Long-lasting weather defense guarantee.
Main Highlights
SEALS AND PROTECTS: Our Wood Sealer & Protector creates a durable, invisible waterproof barrier by sealing the surface of the wood. This waterproof sealant acts as a wood preservative helping to keep the wood dry and reduce warping and shrinkage.
MAINTAINS NATURAL BEAUTY: This clear sealant maintains the natural look and feel of exterior wood without altering its colour or leaving a shiny film, giving an attractive matt finish.
LONG-LASTING RESULTS: Our wood protection treatment is the ultimate solution for long-lasting defence against the weather elements, stains, and everyday wear. Its advanced formula penetrates deep into the wood, ensuring long-lasting protection for up to 10 years.
EASY APPLICATION: Wood Sealer & Protector is ready-to-use and easy to apply. Simply brush, roll or spray directly onto clean, dry wood. Fast drying, a second coat should be applied within 30 minutes before the fi¬rst coat dries. Two coats will create a water-resistant barrier.
MULTI-USE TIMBER TREATMENT: Use as a wood sealant treatment on wooden garden furniture, wooden sheds, fences, summer houses, decking, cladding, pergolas, and more. Apply this wood waterproofing liquid direct to the wood or on top of our wood stain.
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8.9
Excellent
Check Price
8.9
Excellent
Furniture Clinic
Furniture Clinic Outdoor Wood Preserver - 5L Clear Waterproof Wood Sealant Treatment for Garden Furniture, Fences, Decking & Sheds - Easy Application with a Brush, Roller or as a Spray
17% Off
Check Price
Show More
Why we love it
Seals and protects wood surfaces.
Maintains natural wood appearance.
Long-lasting weather defense guarantee.
Main Highlights
SEALS AND PROTECTS: Our Wood Sealer & Protector creates a durable, invisible waterproof barrier by sealing the surface of the wood. This waterproof sealant acts as a wood preservative helping to keep the wood dry and reduce warping and shrinkage.
MAINTAINS NATURAL BEAUTY: This clear sealant maintains the natural look and feel of exterior wood without altering its colour or leaving a shiny film, giving an attractive matt finish.
LONG-LASTING RESULTS: Our wood protection treatment is the ultimate solution for long-lasting defence against the weather elements, stains, and everyday wear. Its advanced formula penetrates deep into the wood, ensuring long-lasting protection for up to 10 years.
EASY APPLICATION: Wood Sealer & Protector is ready-to-use and easy to apply. Simply brush, roll or spray directly onto clean, dry wood. Fast drying, a second coat should be applied within 30 minutes before the fi¬rst coat dries. Two coats will create a water-resistant barrier.
MULTI-USE TIMBER TREATMENT: Use as a wood sealant treatment on wooden garden furniture, wooden sheds, fences, summer houses, decking, cladding, pergolas, and more. Apply this wood waterproofing liquid direct to the wood or on top of our wood stain.
Show More
9
Roxil Wood Preserver Clear (5L) Odourless Pre-Treatment Wood Preservative Against Dry Rot, Wet Rot, Fungal Attack and Woodworm. Solvent Free, Ready to Use, for Outdoor Fence, Decking & Shed
Roxil
Why we love it
Deep timber penetration.
Easy brush application.
Clear, odourless protection.
Main Highlights
Roxil Wood Preserver is a solvent-free liquid wood preservative designed to penetrate deeply into timber and defend against dry rot, wet rot, fungal attack and woodworm infestation.
Easy to apply - this powerful formulation can be applied by brush or roller to help protect outdoor wood such as: fence, decking, sheds, garden furniture and more.
Clear, Odourless formula – Increases the lifetime of timber by preventing wood destroying, wood discolouring fungi and woodworm.
HSE Approved. Tested to European standards EN 152, 113 and 46-1. Designed to be used as a pre-treatment before application of Roxil Wood Protection Cream.
Apply by brush onto timber at a rate of 5 m2 per litre. Apply in 2 – 3 coats depending on the porosity of the wood species. Do not apply if rain is forecast in the next 48 hours to allow time for Roxil Wood Preserver to dry and the application of a top coat.
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8.9
Excellent
Check Price
8.9
Excellent
Roxil
Roxil Wood Preserver Clear (5L) Odourless Pre-Treatment Wood Preservative Against Dry Rot, Wet Rot, Fungal Attack and Woodworm. Solvent Free, Ready to Use, for Outdoor Fence, Decking & Shed
Check Price
Show More
Why we love it
Deep timber penetration.
Easy brush application.
Clear, odourless protection.
Main Highlights
Roxil Wood Preserver is a solvent-free liquid wood preservative designed to penetrate deeply into timber and defend against dry rot, wet rot, fungal attack and woodworm infestation.
Easy to apply - this powerful formulation can be applied by brush or roller to help protect outdoor wood such as: fence, decking, sheds, garden furniture and more.
Clear, Odourless formula – Increases the lifetime of timber by preventing wood destroying, wood discolouring fungi and woodworm.
HSE Approved. Tested to European standards EN 152, 113 and 46-1. Designed to be used as a pre-treatment before application of Roxil Wood Protection Cream.
Apply by brush onto timber at a rate of 5 m2 per litre. Apply in 2 – 3 coats depending on the porosity of the wood species. Do not apply if rain is forecast in the next 48 hours to allow time for Roxil Wood Preserver to dry and the application of a top coat.
Show More
10
Roxil Wood Stain Preserver 5 Litre (Autumn Gold) Fast-Drying Satin Finish for Decking, Fence, Shed, Furniture. 5 Year Protection for Indoor & Outdoor
Roxil
Why we love it
Preserves and enriches wood beautifully.
Long-lasting, eco-friendly formulation.
Versatile multi-surface application.
Main Highlights
Fast drying dual-purpose wood stain and preserver for indoor and outdoor wood. Prevents wood deterioration and breathes new life into the wood with a UV-resistant fade-free colour scheme.
Increases the lifetime of timber with a long lasting colour-fast deeply penetrating treatment, with effects lasting for up to 5 years on wooden structures thanks to its hard-wearing coating.
Six rich and vibrant colours to choose from, each with a unique hue and a satin finish. This enhances the natural wood grain, unlike fence paint which completely covers the surface.
Water based, low odour formulation with zero VOCs, making it easy to clean and guaranteeing no harmful carbon-based chemicals are being released into the air. It is also non-flammable.
Versatile multi-surface application: can be used on hard and soft woods as a primer or finishing coat, and applied on multiple surfaces such as doors, sheds, window frames, fences and furniture by either spray or brush. A 5 litre pack covers 25 m². Touch dry in 30 minutes, overcoat after 60 minutes.
Show More
8.7
Excellent
Check Price
8.7
Excellent
Roxil
Roxil Wood Stain Preserver 5 Litre (Autumn Gold) Fast-Drying Satin Finish for Decking, Fence, Shed, Furniture. 5 Year Protection for Indoor & Outdoor
Check Price
Show More
Why we love it
Preserves and enriches wood beautifully.
Long-lasting, eco-friendly formulation.
Versatile multi-surface application.
Main Highlights
Fast drying dual-purpose wood stain and preserver for indoor and outdoor wood. Prevents wood deterioration and breathes new life into the wood with a UV-resistant fade-free colour scheme.
Increases the lifetime of timber with a long lasting colour-fast deeply penetrating treatment, with effects lasting for up to 5 years on wooden structures thanks to its hard-wearing coating.
Six rich and vibrant colours to choose from, each with a unique hue and a satin finish. This enhances the natural wood grain, unlike fence paint which completely covers the surface.
Water based, low odour formulation with zero VOCs, making it easy to clean and guaranteeing no harmful carbon-based chemicals are being released into the air. It is also non-flammable.
Versatile multi-surface application: can be used on hard and soft woods as a primer or finishing coat, and applied on multiple surfaces such as doors, sheds, window frames, fences and furniture by either spray or brush. A 5 litre pack covers 25 m². Touch dry in 30 minutes, overcoat after 60 minutes.
Show More