Thompson's Stain Block Damp Seal 250ml

The Thompson's Stain Block Damp Seal 250ml is a high-performance solution for sealing and covering damp, water stains, and other household marks in just one coat. Its advanced micro-porous formula allows trapped moisture to escape while preventing stains from reappearing, ensuring a long-lasting finish. Suitable for application directly onto damp surfaces, this reliable seal creates a clean, stable base that’s ready to decorate in just 4 hours. Ideal for interior walls, it provides effective protection and a professional-quality result with minimal effort.

Technical Specification

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• Product Type: Damp Seal
• Seal Type: Damp Seal
• Colour: White
• Size: 250ml
• Coverage: Up to 7m² per litre (depending on surface porosity)
• Application: Brush application (paint on)
• Suitable For: Damp surfaces, water stains, household marks
• Dry Time: 4 hours between coats; ready to decorate after final coat (4 hours)
• Formulation: Micro-porous (allows moisture to escape)
• Features: One coat coverage, blocks stains permanently, prevents reappearance
• Manufacturer: Ronseal (RSL)
• Manufacturer Code: 30853
• Stock Code: RSLTDS250
• Barcode: 5010214808533
• Product Weight: 0.346kg
• Dimensions: 76mm (W) x 77mm (H) x 75mm (D)
• Box Quantity: 6
• Minimum Order Quantity: 1
• VAT Rate: Standard