Knot Block Primer & Undercoat White 750ml

Prepare wood surfaces for a flawless finish with Ronseal Knot Block Primer & Undercoat White 750ml. სპეციifically designed to block wood knots and resins, this high-performance primer prevents unsightly stains from bleeding through your topcoat. It also covers bold colours and dark marks while improving paint adhesion for a smoother, longer-lasting finish. Ideal for knotty woods like pine, it ensures your final coat won’t yellow, crack, or peel—delivering professional results every time.

Technical Specification

• Download Product Technical Data Sheet

• Download Product Technical Data Sheet

• Product: Knot Block Primer & Undercoat
• Primer Type: Wood Primer & Undercoat
• Colour: White
• Size: 750ml
• Function: Blocks knots and wood resins, covers stains and dark colours
• Finish: Smooth base for topcoat
• Features: Prevents yellowing, cracking and peeling, improves paint adhesion
• Suitable For: Knotty wood including pine
• Application: Brush or roller
• Manufacturer: Ronseal (RSL)
• Manufacturer Code: 36481
• Stock Code: RSLKBPU750
• Barcode: 5010214864812
• Weight: 1.010kg
• Dimensions: 100mm (W) x 120mm (H) x 100mm (D)