Thompsons One Coat Water Seal 5 Litre Clear Waterproof Protector for Brick Stone Concrete Wood and Render

Thompsons One Coat Water Seal 5 Litre Clear Waterproof Protector for Brick Stone Concrete Wood and Render

Protect your exterior surfaces with Thompsons One Coat Water Seal, a powerful, high-performance water repellent treatment designed for long-lasting defence against moisture damage. With its deep-penetrating micro silicone emulsion formula, this 5-litre sealant offers durable, invisible protection in just a single coat.

Whether you're sealing brick, stone, concrete, render, or wood, Thompsons Water Seal effectively prevents water ingress, combats efflorescence, and resists damage caused by UV rays and freeze-thaw cycles. Ideal for use on garden walls, driveways, fences, and exterior masonry, this one-step solution is both non-flammable and free from harmful solvents—making it safer for you and the environment.

Key Features and Benefits

One Coat Coverage
Achieve lasting waterproof protection with just one coat, even on slightly damp surfaces.

Multi-Surface Compatibility
Ideal for use on brick, stone, render, concrete, pebbledash, workshop floors, and all sawn wood.

Efflorescence Control
Prevents unsightly white salt marks on brick and concrete surfaces caused by trapped moisture.

Eco-Conscious Formula
Non-flammable and free from harmful solvents, making it safe for indoor storage and outdoor use.

Fast Drying and Easy Application
Dries in approximately 2 hours and can be applied with a standard brush or roller.

Year-Round Durability
Resistant to UV rays and freeze-thaw conditions for long-lasting surface integrity.

Specifications

• Brand: Thompsons

• Product Type: One Coat Water Seal

• Size: 5 Litre

• Application Method: Brush or roller

• Coverage: Up to 4m² per litre depending on porosity

• Drying Time: Approx. 2 hours

• Use: Exterior

• Finish: Clear (transparent)

• Formulation: Water-based, silicone emulsion

• Tool Cleaning: Wash with soapy water

• Shelf Life: Store in original container in a cool, dry place

Suitable Surfaces

• Brick and masonry walls

• Stonework

• Concrete surfaces

• Render and pebbledash

• Sawn timber and wood panelling

• Workshop floors

Ideal For

• Homeowners protecting garden walls or patios

• Tradespeople preparing surfaces for external longevity

• DIYers looking for a quick, reliable waterproofing solution