Thompson's Water Seal (5L) is an indispensable solution for anyone looking to protect their brick, mortar, stone, or concrete surfaces from the elements. Its unique micro silicone emulsion technology penetrates deeply, providing long-lasting waterproof protection that begins working within hours.

Ideal for direct application even on damp surfaces, Thompson's Water Seal helps prevent water penetration, effectively reducing freeze-thaw damage that can compromise structural integrity. Perfect for DIY enthusiasts and professionals alike, this sealant covers approximately 4 m per litre, although coverage may vary with surface texture and porosity. Enjoy peace of mind with superb weather protection that stands the test of time.

• For bricks, mortar, stone, and concrete
• Micro silicone emulsion stops water penetration
• Apply directly onto damp surfaces for quick protection
• Covers approximately 4 m per litre
• Long-lasting protection against rain damage
• Prevents freeze-thaw damage to surfaces
• Ideal for weatherproofing exterior surfaces
• Suitable for use on porous materials like brick and stone