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Cuprinol Ultimate Repair Wood Hardener

Cuprinol Ultimate Repair Wood Hardener

About this product

Cuprinol Ultimate Repair Wood Hardener is a rapid drying formulation for use in the repair of decayed wood. It strengthens, binds and hardens loose wood fibres to provide a solid base for filling or overpainting. In combination with Cuprinol Ultra Tough Wood Filler provides a long lasting, weather resiliant repair. Can be used outdoors and indoors.


Key Benefits

  • Strengthens, binds and hardens loose wood fibres
  • Use in conjunction with Cuprinol Ultimate Repair Wood Filler, to achieve a long lasting weather resistant repair.
  • Solvent based

Special Features

  • Long lasting
Typical Use
Identify the full extent of any decay, by probing the wood with a sharp instrument. Cut out all badly decayed and very soft wood. Remove paint, varnish, dirt or loose material from the area for repair and immediately around it for about 25-50mm (1- 2 inches). If wood is wet, allow it to dry thoroughly before applying the wood hardener.Apply liberally by brush to the repair area and immediately around it. Apply 2-3 coats, allowing each to soak in before the next coat is applied. Do not allow previous coat to dry fully before the next is applied.
Key Benefits
Strengthens, binds and hardens loose wood fibres, Use in conjunction with Cuprinol Ultimate Repair Wood Filler, to achieve a long lasting weather resistant repair., Solvent based
Pack size
500ML