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Cuprinol Interior Window Finishes

Cuprinol Interior Window Finishes colour and protect wooden window frames and sills against the effects of wood rot, mould, woodworm and more. If you are refinishing wooden windows or applying a wood finish to interior window frames for the first time, these wood preservers are a great choice.

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Displaying 7 products

  5.0/5.0  (68)
Actively protects interior and exterior wood against rot, decay and blue staining mould.
  • 2 coats
  • 9m² per litre
  • 24 hrs drying time
More info
Available in 1L, 2.5L, 5L
  5.0/5.0  (35)
An exterior water-based wood preservative for rough and smooth garden timbers available in 5 shades.
  • 2-3 coats
  • 5m² per litre
  • 4 hrs drying time
More info
Available in 5L
  4.9/5.0  (4)
An interior-use only, clear, water-based, all-purpose treatment to prevent insect attack, re-infestation and fungal decay.
  • 2-3 coats
  • 3.5m² per litre
  • 48 hrs drying time
More info
Available in 1L, 2.5L, 5L
  5.0/5.0  (4)
A high performance, 2 part wood filler for repairing damage caused by wet rot and for major joinery repairs.
More info
Available in 250g, 500g, 750g
A tough, durable, flexible wood filler for small repairs. Suitable for interior and exterior use.
  • 2 hrs drying time
More info
Available in 250ml, 310ml, 500ml
  4.0/5.0  (1)
A rapid drying wood hardener for repairing decayed wood and all major joinery repairs. Provides a firm base for filling with Cuprinol Ultra Tough Wood Filler.
  • 2-3 coats
  • 2 hrs drying time
More info
Available in 500ml
Effective formula that prevents re-infestation and ensures effective protection for years to come.
  • 2-3 coats
  • 3.5m² per litre
  • 48 hrs drying time
More info
Available in 500ml, 1L, 5L
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