Ronseal Knot Block Primer & Undercoat 250ml White Option:White 250ml Bonded and braided for greater

Bonded and braided for greater durability|Not affected by extreme moisture

Highly durable coating designed for protecting block paving and patios|Deep penetrating formulation penetrates and protects the densest of surfaces|Forms a clear barrier protecting against dirt

willowherb and dandelions around the garden and on hard surfaces|Systemic action killing down to the root|Fully degrades into the soil

perfect for repairing drains and ponds

Ronseal Knot Block Primer & Undercoat 250ml White Option:White 250ml Bonded and braided for greaterOur Knot Block Wood Primer & Undercoat completely stops wood knots and wood resins showing through your paint. This primer and undercoat also covers bold colours, dark marks and helps your paint to stick! It makes sure you get a flawless finish that won'y yellow, crack or peel. Perfect for knotty wood like pine. Guaranteed to completely block wood knots Ready to paint over in 4 hours Use on bare or previously painted wood