Self-Leveling Concrete Crack Filler Sealant | Quick Dry

Fill Cracks Fast — No Mixing, No Mess

Say goodbye to unsightly cracks and gaps in your driveway, floor, or walls. This Self-Leveling Concrete Crack Filler Sealant flows effortlessly into cracks and voids, bonds firmly to masonry and concrete surfaces, and cures to a hard, sandable finish in just 24 hours. Whether you're tackling indoor flooring or outdoor foundation gaps, this compact 100g tube makes the job straightforward and professional-looking — no special tools or mixing required.

Key Features

• Self-Leveling Formula: Flows naturally into cracks and joints — no spreading or troweling needed. Simply apply and let it settle flush.
• Glycerin + 1,2-Hexanediol Blend: Specially formulated to fill voids precisely and adhere strongly to masonry, concrete, cement, tile, and stone.
• Indoor & Outdoor Use: Engineered to withstand temperature fluctuations and environmental exposure, making it ideal for driveways, patios, basements, floors, and walls.
• Moisture Barrier: Reduces vapor penetration to help prevent future cracking, water infiltration, and surface deterioration.
• Quick Cure: Cures firm and fully sandable in 24 hours — ready for foot traffic and everyday use.
• Easy Nozzle Control: Precision nozzle tip lets you direct the sealant exactly where it's needed, minimizing waste.
• 3-Year Shelf Life: Store sealed in a cool, shaded place and keep it on hand for future repairs.

How to Use

1. Prepare the Surface: Clean thoroughly — remove dust, oil, loose debris, and moisture. Surface temperature must be above 5°C (41°F).
2. Apply the Sealant: Cut nozzle tip and squeeze gel evenly along the length of the crack or joint.
3. Smooth if Needed: Use a scraper or putty knife to level flush with the surrounding surface.
4. Allow to Cure: Let sit undisturbed for 24 hours before allowing foot traffic or vehicle loads.

Precautions

• Store in a cool, shaded location away from direct sunlight and heat.
• Keep out of reach of children and pets.
• Avoid contact with eyes and skin; wash immediately with water if contact occurs.
• Use in a well-ventilated area.
• Do not apply on wet or frozen surfaces.

What's in the Box

• 1 × Concrete Crack Filler Sealant (100g net weight, 120g gross weight)
• Product dimensions: 3 × 11.9 × 10.6 cm | Package dimensions: 10.9 × 2.7 × 12.2 cm
• Shelf life: 3 years

Made in Mainland China.

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For guidance on safe use of construction sealants and adhesives, refer to the U.S. Consumer Product Safety Commission (CPSC) for product safety information, and OSHA's Chemical Hazards resources for safe handling of construction chemicals.

Frequently Asked Questions

Q: Can this concrete crack filler sealant be used on outdoor driveways?

A: Yes! This self-leveling sealant is designed for both indoor and outdoor use. It bonds securely to concrete and masonry surfaces and is built to handle temperature swings, making it perfect for driveways, patios, walkways, and exterior walls.

Q: How long does it take to cure before I can drive on the surface?

A: The sealant cures firm and sandable within 24 hours under normal conditions. We recommend waiting the full 24 hours before allowing vehicle traffic on the treated surface for best results.

Q: Do I need to mix this product before applying it?

A: No mixing required! Simply cut the nozzle tip, apply the gel directly from the tube along the crack or joint, and allow it to self-level into position. It's a true one-step application process.

Q: What surfaces is this crack filler compatible with?

A: This joint compound sealant works on concrete, cement, masonry, tile grout joints, foundation walls, and similar hard construction surfaces. It is not recommended for flexible materials like rubber or foam.