Thompson's
Thompson's Water Seal
Thompson's Water Seal
SKU:566533
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- Free shipping for orders over £75. See shipping policy for restrictions
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Shipping
Shipping
Free delivery for orders over £75 within UK mainland. This does not apply to large products (such as those above 1m of length), heavy products (including aggregates, compost and wood logs) and fragile products (such as ceramics, shower enclosures etc.). See shipping policy for restrictions.
Free local delivery above £50 and £5 charge for delivery under £50 within a 3 mile radius and £7 up to 6 mile radius.
Standard Shipping - United Kingdom (UK Mainland Excluding Northern Ireland)
- Lighter items (under 1kg) - £4 and free for orders over £75
- Smaller items (1 - 10kg) - £7 and free for orders over £75
- Larger items (10kg - 30kg) - £15 and free for orders over £350
- Bulky items (30kg and above) - £35 with minimum order value of £100
Express Shipping - United Kingdom (UK Mainland Excluding Northern Ireland)
- Lighter items (under 1kg) - £7 and free for orders over £75
- Smaller items (1 - 10kg) - £10 and free for orders over £75
- Larger items (10kg - 30kg) - £20 and free for orders over £350
Wallpaper Samples
Standard - £1.65
Standard Shipping (Northern Ireland and Scottish Islands & Highlands) 2 to 7 business days
- Lighter items (under 1kg) - £7
- Smaller items (1 - 10kg) - £15
- Larger items (10kg - 30kg) - £25
- Bulky items (30kg and above) - £35 with minimum order value of £100
Returns
Returns
Read our returns and refund policy
Thompson's Water Seal is a high-performance waterproofing solution designed to protect porous surfaces from water damage. Ideal for brick, concrete, stone, and wood, this advanced formula can be applied directly to damp surfaces, providing long-lasting protection against freeze-thaw damage, water infiltration, and surface deterioration. With a quick-drying time of just 2 hours, it ensures fast and efficient application for both professional and DIY users.
Product Variants & Specifications
| Size | Boxed Weight | Coverage (Approx.) |
|---|---|---|
| 1L | 1.2kg | Up to 4m² |
| 2.5L | 2.8kg | Up to 10m² |
| 5L | 5.0kg | Up to 20m² |
Key Features & Benefits
✔ Superior Waterproofing – Forms an invisible barrier that repels water, preventing dampness and moisture damage.
✔ Apply to Damp Surfaces – No need to wait for surfaces to dry, allowing faster application in variable weather conditions.
✔ Prevents Freeze-Thaw Damage – Protects against cracking and spalling by stopping water from seeping in and freezing.
✔ Multi-Surface Use – Suitable for brick, concrete, stone, and wood, making it a versatile waterproofing solution.
✔ Quick-Drying Formula – Dries in just 2 hours, reducing downtime and ensuring efficient project completion.
✔ Long-Lasting Protection – Provides durable, weather-resistant protection to extend the life of treated surfaces.
Application Instructions
Preparation
- Ensure the surface is clean and free from dust, dirt, oil, or algae.
- Repair any cracks or damage before applying for optimal results.
- For best absorption, use on bare, untreated surfaces.
Application
- Shake or stir the product thoroughly before use.
- Apply using a brush, roller, or low-pressure spray in a uniform layer.
- For maximum protection, a second coat can be applied after 2 hours if required.
- Allow to fully dry before exposure to heavy rain.
Drying Time
- Touch dry: 2 hours
- Fully cured: 24 hours
Care & Maintenance
- Reapply every 1-2 years for continued protection.
- Clean tools and spills immediately with warm soapy water.
- Store in a cool, dry place away from direct sunlight and freezing temperatures.
FAQs
Q: Can I apply this to previously painted or sealed surfaces?
A: No, Thompson’s Water Seal is designed for bare, porous surfaces to ensure proper absorption.
Q: How often should I reapply for ongoing protection?
A: Reapply every 1-2 years, depending on weather exposure and surface wear.
Q: Will this change the appearance of the surface?
A: No, it dries clear and invisible, preserving the natural look of the material.
Q: Can I use it on my decking or fence?
A: Yes, it is suitable for wood, but ensure the surface is untreated and absorbent for best results.
Q: Can I use this product indoors?
A: No, this product is specifically formulated for outdoor use.
Conclusion
Thompson’s Water Seal is a reliable, easy-to-use solution for protecting outdoor surfaces from water damage and weathering. Whether you're treating brick walls, concrete driveways, stone pathways, or wooden fences, this fast-drying, long-lasting waterproof sealant ensures durability and peace of mind. Perfect for both professionals and DIY homeowners, Thompson’s Water Seal delivers effective, invisible protection with minimal effort and maximum results.
