Coo-Var Patent Knotting

Coo-Var Patent Knotting is a shellac based product for use on knotted or resinous areas of wood in order to help prevent later paint films from becoming stained.

  • Suitable for Wood
  • Apply by Brush
  • Gloss Finish
  • Colour: Translucent Brown
  • For interior and exterior use



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Product Description

Coo-Var Patent Knotting is low viscosity shellac based coating that is designed for use on knotted or resinous areas of wood surfaces, helping to prevent future paint films applied to the surface from becoming stained.

Touch dry in 2 hours and hard dry in 8 hours. Leave 16 hours or overnight before overcoating.


For full details, please see the datasheets or contact us via the online chat, phone or email for any questions about this item or to check stock.

Surface Preparation

All surfaces should be clean, dry, sound and free from contaminants. New wood should be sanded prior to coating to ensure an adequate “key” is produced.

Mixing Instructions

Mix well before use.

Application Conditions

As dictated by normal good painting practice. In confined spaces, provide adequate ventilation during application and drying.

Preceding Coat


Subsequent Coat

Suitable prime / topcoat.

Estimated Coverage

12sqm per litre


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Coo-Var Patent Knotting
Coo-Var Patent Knotting
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