Thompson’s Water Seal is a high-performance waterproofer that provides invisible protection for porous building materials. Its deep-penetrating formula repels rainwater while allowing walls to breathe, preventing damage from frost, damp, and water ingress. Suitable for brick, stone, and concrete, it helps stop unsightly stains and prolongs the life of exterior surfaces. Clear and easy to apply, it dries quickly to form a durable barrier without altering the natural appearance of the material.

Key Features:

• Invisible waterproof protection for porous surfaces

• Prevents water penetration, frost damage, and damp

• Allows walls to breathe while repelling rain

• Clear finish – maintains natural surface appearance

• Suitable for brick, stone, and concrete

Ideal For:

• Brick walls and masonry

• Stone walls, paths, and garden features

• Concrete surfaces exposed to rain

• Protecting exterior walls against damp and frost

• DIY or trade waterproofing projects

Application:

1. Ensure surfaces are clean, dry, and free from dust or moss.

2. Stir well before use.

3. Apply generously with a brush, roller, or low-pressure sprayer.

4. One coat is normally sufficient; apply a second if required.

5. Avoid application during rain or frost.

Coverage:
Approx. 4–5 m² per litre, depending on porosity.

Available Sizes:
1 L, 2.5l, And 5 L