Ronseal Knot Block Primer And Undercoat - White - 2.5 Litre

Completely stops wood knots and resins from showing through your paint. It’s also a primer and undercoat which means you can tackle two jobs at the same time. It covers bold colours and dark marks to give you a flawless finish.

• Everything you need in one tin

• Guaranteed to block wood knots

• Ready to paint over in four hours

• Can be used on bare or previously painted wood

• Won’t yellow, crack or peel

• Coverage 15m2 with 2 coats