500ml Concrete Crack Filler Sealant | Waterproof Quick-Dry
500ml Concrete Crack Filler Sealant | Waterproof Quick-Dry
500ml Concrete Crack Filler Sealant – Waterproof, Quick-Drying Adhesive
Stop leaks before they spread. This powerful 500ml Concrete Crack Filler Sealant delivers a professional-grade waterproof seal on concrete, cement, masonry, and more — all without special tools or complicated steps. Whether you're tackling a damp basement, a leaky garage floor, a cracked roof, or worn kitchen corners, this ready-to-use filler gets the job done fast.
Key Features
- Quick-Drying Formula: Sets within approximately 30 minutes of application — ideal for urgent repairs that can't wait.
- High-Strength Bonding: Penetrates and bonds deep into cracks to form a tough, durable barrier that halts crack expansion and restores structural stability.
- Multi-Layer Waterproof Seal: Blocks water infiltration with a multi-layer sealing action, keeping surfaces dry long-term and extending the life of your structures.
- Tool-Free Application: The liquid, free-flowing formula flows easily into cracks from any angle — no extra tools or complex procedures needed. Simply apply and let it cure.
- Wide-Surface Compatibility: Suitable for concrete slabs, cement floors, rooftops, walls, basements, garage floors, kitchen corners, and more.
Specifications
- Volume: 500ml
- Color: Gray
- Type: Caulk / Crack Filler Sealant
- Drying Time: ~2 hours full cure (sets in ~30 minutes)
- Package Size: Approx. 21.6 × 13.8 cm (8.5 × 5.43 inches)
- Application Surfaces: Concrete, cement, masonry, walls, floors, roofs
What's in the Box
- 1 × 500ml Concrete Crack Filler Sealant (Gray)
Ideal Use Cases
- Garage floors with surface cracks
- Bathroom and kitchen corner sealing
- Basement and foundation crack repair
- Roof and wall waterproofing
- Cement and masonry surface restoration
Looking for more repair and sealing tools? Check out our 12-Pack Waterproof Butterfly Stickers | Self-Adhesive Decor or our Tape, Glue & Sealants collection for more adhesive solutions. You may also find our 34-Compartment Double-Sided Hardware Storage Box & Dividers useful for organizing your repair supplies.
Note: Due to variations in monitor settings and lighting, the product color may appear slightly different from images. Please allow a 1–2 cm size tolerance due to manual measurement. Made in Mainland China.
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Frequently Asked Questions
Q: How long does the concrete crack filler sealant take to fully cure?
A: The formula begins to set within approximately 30 minutes of application and reaches a full cure in around 2 hours, making it ideal for quick, same-day repairs to concrete floors, walls, and roofs.
Q: What surfaces is this waterproof crack filler compatible with?
A: This 500ml sealant is compatible with a wide range of building surfaces, including concrete slabs, cement floors, masonry walls, rooftops, basement floors, garage floors, and kitchen or bathroom corners.
Q: Do I need any special tools to apply this concrete crack filler?
A: No special tools are required. The liquid, free-flowing formula is designed to flow easily into cracks at versatile angles straight from the bottle, making the application process simple and straightforward for DIY use.