Concrete Crack Filler – Fast-Setting Polyurethane Repair Kit | 1-Gallon Heavy-Duty Bulk Filler | Waterproof, Non-Sag, 1:1 Mix | Ready in 15 Min | Use with or Without Sand | GCF

GE-GCF Liquid Crack Filler is a high-performance, 2-component urethane product designed for permanent concrete repair.Its low-viscosity formula penetrates deeply into hairline cracks and small imperfections, ensuring a reliable, lasting bond. For larger cracks and damaged areas, simply mix with sand to create a durable patching material. Ideal for industrial applications, it repairs spalled concrete, pop-outs, holes, and cracks quickly and effectively. Instructions for Use: 1. Surface Preparation:Ensure the repair area is clean, dry, and free of dirt, oil, dust, and loose concrete. Use a wire brush and industrial vacuum for thorough preparation. 2. Mixing: For small cracks: Combine 1 part A with 1 part B and mix thoroughly for 20 seconds. For larger cracks: Mix 1 part A with 1 part B, then add 5-10 parts of sand and mix thoroughly. Example: Mix ½ pint each of Part A and Part B, then add ½ gallon of sand. 3. Application: For hairline and small cracks: Apply the mixed liquid directly into the crack and allow it to cure. For larger patches: Apply the sand slurry with a trowel and smooth the surface to remove excess material. 4. Cure Time: Allow 10-20 minutes for light foot traffic. For heavy equipment use, let the repair cure for 30-60 minutes. Perfect for professionals seeking a fast, efficient, and durable crack filler, GCF delivers exceptional results under a variety of conditions. Its nearly 100% solids formula minimizes shrinkage, while its rapid cure time allows you to complete repairs in no time.

• ⏺ Fast-Curing: Ready for light foot traffic in 15-20 minutes; supports heavy traffic in just 1 hour.
• ⏺ Versatile Application: Use as a liquid for minor repairs or mix with sand for larger patches.
• ⏺ Superior Strength: High tensile and bond strength for heavy-duty use. Up to 3,800 psi neat or 9,000 psi with sand.
• ⏺ Easy to Use: Includes 0.5 gal Part A + 0.5 gal Part B. Mixes at a simple 1:1 ratio of parts A and B.
• ⏺ Reliable Performance: Excellent impact and abrasion resistance for long-lasting repairs. Low viscosity (< 30 cps) ensures strong mechanical bonding.
• ⏺ Solvent-Free: Nearly 100% solids, low VOC (5.5 g/L)