High boiling point minimising vapour lock at high operating temperatures Excellent lubricating properties

fungicides and water-soluble fertilisers

water and other household stains in one coat|Micro-porous formulation allows trapped moisture to escape|Can be applied directly to damp surfaces|Permanently stops the reappearance of stains

|Ideal for interior and exterior use on walls

Green|210D polyester|PU coating|Cord tie|10 Year Guarantee

Ronseal Knot Block Primer & Undercoat 750ml White eBay Live High boiling point minimising vapourOur 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