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Cuprinol Ultimate Repair Wood Hardener

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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.