Wood Preservers for Windows

Our wide range of interior and exterior wood preservers are ideal for providing protection to wooden window frames and sills prior to applying a wood oil or wood stain. Protect your window sills against woodworm, dry rot, wet rot and fungal decay with one of these top quality wood preservatives.

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A solvent-based preservative that offers microporous protection against wood rot, fungi, decay and mould. Available in 7 colours or clear.
  • 2-3 coats
  • Coverage: 6m²/L
  • 12 hrs drying time
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Available in 1L, 5L
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
  • Coverage: 6m²/L
  • 48 hrs drying time
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Available in 1L, 2.5L, 5L
A complete preservative from Ronseal to prevent rot, decay and woodworm.
  • 3 coats
  • Coverage: 8m²/L
  • 24 hrs drying time
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Available in 2.5L, 5L
A clear, exterior wood preservative that also reduces swelling whilst fighting against mildew, rot, blue stain and vegetable pests.
  • 1 coat
  • Coverage: 6m²/L
  • 12 hrs drying time
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Available in 125ml, 750ml, 2.5L
An oil and wax based biocide-free wood preservative for interior and exterior use. Safe once dry for childrens play areas.
  • 1 coat
  • Coverage: 8m²/L
  • 24 hrs drying time
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Available in 125ml, 750ml, 2.5L
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A low-odour wood treatment without wax that offers microporous protection against wood rot, fungi, decay and mould.
  • 2-3 coats
  • Coverage: 6m²/L
  • 12 hrs drying time
More Info
Available in 1L, 5L
Actively protects interior and exterior wood against rot, decay and blue staining mould.
  • 2 coats
  • Coverage: 9m²/L
  • 24 hrs drying time
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Available in 1L, 2.5L, 5L
Quickly eliminate and protect against woodworm and woodboring insects.
  • 2 coats
  • Coverage: 5m²/L
  • 48 hrs drying time
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Available in 250ml, 1L, 2.5L, 5L
An exterior water-based wood preservative for rough and smooth garden timbers available in 5 shades.
  • 2-3 coats
  • Coverage: 5m²/L
  • 4 hrs drying time
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Available in 5L
Combat wood rotting funghi and insects with this high-quality wax-free preserver.
  • 2 coats
  • Coverage: 10m²/L
  • 24 hrs drying time
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Available in 2.5L
A fast and effective woodworm killer for interior and exterior timber
  • 2 coats
  • Coverage: 5m²/L
  • 48 hrs drying time
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Available in 500ml
An interior-use only, clear, water-based, all-purpose treatment to prevent insect attack, re-infestation and fungal decay.
  • 2-3 coats
  • Coverage: 3.5m²/L
  • 48 hrs drying time
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Available in 1L, 2.5L, 5L
An effective solvent-based clear wood preservative that provides protection against wet rot, dry rot, wood worm and insect attack.
  • 3 coats
  • Coverage: 6m²/L
  • 24 hrs drying time
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Available in 2.5L, 5L
Penetrates deep into the wood to kill wood boring insects, their larvae and eggs.
  • 3 coats
  • Coverage: 10m²/L
  • 2 hrs drying time
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Available in 1L, 5L
Water-based preservative for use on new and bare wood. Protects against blue stain, decay fungi and UV rays
  • 2 coats
  • Coverage: 5m²/L
  • 1 hr drying time
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Available in 1L, 2.5L
Effective formula that prevents re-infestation and ensures effective protection for years to come.
  • 2-3 coats
  • Coverage: 3.5m²/L
  • 48 hrs drying time
More Info
Available in 500ml, 1L, 5L
A solvent-based wood preservative for use on new and bare timber. Protects against wood rotting fungi and wood destroying insects.
  • 2 coats
  • Coverage: 6m²/L
  • 24 hrs drying time
More Info
Available in 2.5L