Knot Block Primer & Undercoat 750ml

Ronseal Knot Block Wood Primer and Undercoat permanently blocks wood knots bleeding through the paint surface. It gives a flawless finish that won't yellow.

• Guaranteed to completely block wood knots
• Ready to paint over in 4 hours
• Suitable for use on bare and previously painted wood
• Won't yellow
• Resists cracking and peeling
• Helps paint stick & last longer