Concrete Sealant 500ml – Waterproof Crack Filler & Bonding Agent
Protect and restore your surfaces with this heavy-duty 500ml Concrete Sealant — a ready-to-use liquid formula engineered for deep-penetrating waterproofing, crack filling, and strong adhesion on virtually any building surface. Whether you're tackling a leaky basement, a cracked driveway, a rooftop, or a wet-area floor, this sealant delivers professional-grade results with minimal effort.
Made in Mainland China.
Why You'll Love It
- Deep-Penetrating Structural Repair: Seeps into cracks and pores for long-lasting restoration of load-bearing concrete elements — not just a surface fix.
- Superior Waterproof Barrier: Forms a resilient seal that resists water intrusion and freeze-thaw cycling, keeping moisture out season after season.
- Flexible & Temperature-Stable: Withstands thermal expansion and contraction, preventing new cracks from forming and extending the lifespan of sealed surfaces.
- Fast Cure at Room Temperature: Dries in approximately 2 hours — no heat guns, no complex tools, and no lengthy downtime required.
- Low-Odour, Ready-to-Use Formula: Pour and apply straight from the bottle. The low-odour mix makes working indoors or in enclosed spaces far more comfortable.
- Wide Application Versatility: Ideal for driveways, basements, shower rooms, pools, kitchens, bathrooms, walls, roofs, and floors — one sealant for the whole property.
Specifications
| Capacity | 500 ml |
| Colour | Gray |
| Drying Time | ~2 hours (room temperature) |
| Packaging Size | Approx. 21.6 × 13.8 cm (8.5 × 5.43 in) |
| Type | Penetrating Sealer / Bonding Agent |
| Application Scope | Concrete slabs, cement floors, roofs, walls, and more |
| Origin | Mainland China |
What's in the Box
- 1 × 500ml Concrete Sealant
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- BALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car & Home — perfect for deep-cleaning surfaces before sealing.
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool — a great companion for any DIY building project.
Note: Due to different lighting and screen settings, the item colour may appear slightly different from photos. Please allow a 1–2 cm tolerance due to manual measurement.
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Frequently Asked Questions
Q: What surfaces can this concrete sealant be used on?
A: This 500ml concrete sealant is suitable for a wide range of surfaces including concrete slabs, cement floors, driveways, rooftops, basement walls, shower rooms, pools, kitchens, and bathrooms. Essentially any building structure requiring waterproof crack filling and sealing can benefit from this product.
Q: How long does the concrete sealant take to dry?
A: At normal room temperature, the sealant dries in approximately 2 hours. For best results, ensure the surface is clean, dry, and free of loose debris before application. Avoid applying in extremely cold or humid conditions, as this may extend the curing time.
Q: Do I need any special tools to apply this sealant?
A: No special tools are required. The formula is ready to use straight from the 500ml bottle. Its high fluidity allows it to flow into cracks and pores easily. A brush, roller, or pour-spout application all work well, making this an excellent choice for DIY projects.
Q: Is this sealant safe to use indoors?
A: Yes. This concrete crack filler features a low-odour formula, making it suitable for indoor use in areas such as basements, bathrooms, kitchens, and shower rooms. Ensure adequate ventilation during and after application as a standard precaution.