Window Treatments

These versatile wood finishes suitable for windows offer unrivalled performance and protection in high moisture environments and areas subject to condensation. Designed to prevent peeling and flaking, they're easy to apply to wooden window frames and window sills, manufactured to the highest quality and available at a price that won't break the bank.

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Displaying 211 products

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  4.8/5.0  (1774)
The original hard wax oil from Osmo offering a natural clear finish for interior window sills and frames.
  • 2 coats
  • 24m² per litre
  • 8 hrs drying time
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Available in 5ml sample, 125ml, 375ml, 750ml, 2.5L, 10L
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  4.9/5.0  (2983)
A solvent-based preservative that offers microporous protection against wood rot, fungi, decay and mould. Available in 7 colours or clear.
  • 2-3 coats
  • 6m² per litre
  • 12 hrs drying time
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Available in 1L, 5L
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  4.6/5.0  (706)
The same popular Polyx Oil in a range of attractive colour tones and effects to create a coloured, satin finish.
  • 2 coats
  • 30m² per litre
  • 24 hrs drying time
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Available in 5ml sample, 125ml, 750ml, 2.5L
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  4.8/5.0  (1424)
£1.55 - £293.25
Save up to 15%
Ultimate protection for exterior wood with factor 12 UV filters to protect against the greying effects of UV damage.
  • 2 coats
  • 20m² per litre
  • 12 hrs drying time
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Available in 5ml sample, 125ml, 750ml, 2.5L, 10L
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  5.0/5.0  (1318)
A UV-resistant, deep penetrating, low odour protective treatment for all exterior wood that is harmless to beneficial insects and plants when dry.
  • 2-3 coats
  • 6m² per litre
  • 48 hrs drying time
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Available in 1L, 2.5L, 5L
  4.6/5.0  (593)
An all-in-one translucent wood stain that colours, protects, feeds and enhances exterior wood and joinery.
  • 2 coats
  • 26m² per litre
  • 12 hrs drying time
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Available in 5ml sample, 125ml, 750ml, 2.5L
  4.6/5.0  (587)
The ever popular and durable hard wax oil available in 13 shades drying to a satin finish.
  • 2 coats
  • 24m² per litre
  • 4 hrs drying time
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Available in 5ml sample, 250ml, 1L, 2.5L
  4.9/5.0  (522)
A high quality, water-based, interior wood stain, developed for pine and similar softwoods.
  • 1 coat
  • 10m² per litre
  • 1 hr drying time
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Available in 100ml, 1L, 5L
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  4.7/5.0  (444)
£1.42 - £379.55
Save up to 10%
Specifically designed to better retain the natural, untreated appearance of lighter coloured timbers such as Oak and Pine
  • 2 coats
  • 30m² per litre
  • 24 hrs drying time
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Available in 5ml sample, 125ml, 750ml, 2.5L, 10L
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  4.7/5.0  (469)
An oil-based, opaque, colour finish for exterior wood with excellent weather and UV resistant properties
  • 2 coats
  • 26m² per litre
  • 12 hrs drying time
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Available in 5ml sample, 125ml, 750ml, 2.5L
  4.9/5.0  (791)
All-in-one protection available as clear matt, satin and semi-gloss.
  • 2-3 coats
  • 24m² per litre
  • 4 hrs drying time
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Available in 250ml, 1L, 2.5L
  5.0/5.0  (614)
A high-quality clear oil for exterior use that offers excellent protection against water ingress.
  • 2-3 coats
  • 8m² per litre
  • 48 hrs drying time
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Available in 5L
  4.9/5.0  (412)
A versatile varnish-based wood stain for interior and exterior use.
  • 1-2 coats
  • 10m² per litre
  • 24 hrs drying time
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Available in 1L, 2.5L, 5L
  4.9/5.0  (436)
A durable exterior varnish-based woodstain available in 12 shades.
  • 1-2 coats
  • 12m² per litre
  • 24 hrs drying time
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Available in 500ml, 1L, 2.5L, 5L
  4.5/5.0  (245)
A high quality, water-based, interior wood stain developed for oak and similar hardwoods.
  • 1 coat
  • 10m² per litre
  • 1 hr drying time
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Available in 100ml, 1L, 5L
  5.0/5.0  (182)
A range of fast-drying, alcohol-based interior wood stain.
  • 1-2 coats
  • 8m² per litre
  • 30 mins drying time
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Available in 1L, 5L
  4.8/5.0  (309)
A complete wood preservative treatment that protects exterior wood from wood rot, decay and woodworm.
  • 3 coats
  • 8m² per litre
  • 24 hrs drying time
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Available in 5L
  4.3/5.0  (258)
Strip back modern paints and varnishes with this safe and friendly alternative to older paint removal formulations.
  • 1-2 coats
  • 1m² per litre
  • 12 hrs drying time
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Available in 750g, 4kg, 10kg
  4.8/5.0  (215)
Remove old, stubborn lead-based paints and varnishes from almost anything.
  • 1-2 coats
  • 1m² per litre
  • 12 hrs drying time
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Available in 5kg, 15kg
  4.5/5.0  (289)
A non-yellowing, low-odour, clear polyurethane varnish that offers excellent protection.
  • 2-3 coats
  • 10m² per litre
  • 2 hrs drying time
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Available in 100ml, 1L, 2.5L