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  • Colour mixing available

Knot Block Primers

Use a knot blocking primer and undercoat to block knots in wood and cover drastic colour changes. Ronseal Knot Block Primer and Undercoat will do the job on bare or painted wood, ready to be painted in no time.

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tintable

Use a knot blocking primer and undercoat to block knots in wood and cover drastic colour changes. Ronseal Knot Block Primer and Undercoat will do the job on bare or painted wood, ready to be painted in no time.

Available Same Day Dispatch & Next Day Delivery