Ronseal Knot Block Primer & Undercoat 750ml White Option:White 750ml |Effective against a wide range

|Effective against a wide range of germs

0mm²|E terminal capacity 3 x 4

Polythene backing stops tread through

|There are two spray patterns : There are 5 jets which gives a max area coverage of approx 314m2 or 20m diameter

|Made in England|100ml - also available in 250ml

Ronseal Knot Block Primer & Undercoat 750ml White Option:White 750ml |Effective against a wide rangeOur 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