Best Concrete Crack Fillers (2026 Buyer’s Guide)
Autosel Concrete Crack Sealant
A smooth‑flowing, self‑leveling crack sealant that settles into tight hairline cracks without shrinking. Great for quick driveway touch‑ups and small slab repairs.
- Self‑levels for a clean finish
- Bonds well to old concrete
- Easy squeeze‑bottle application
- Ideal for hairline and narrow cracks
DAP Concrete Crack Filler (Liquid Cement Filler)
DAP’s ready‑to‑use liquid filler is perfect for homeowners who want a simple pour‑and‑done fix. It dries hard, blends well with gray concrete, and works great for small surface cracks.
- Ready to use — no mixing
- Dries to a hard, cement‑like finish
- Good color match for most slabs
- Great for small cosmetic cracks
Spartan Epoxy Crack Repair
A heavy‑duty, two‑part epoxy designed for structural crack repair. Once cured, it’s stronger than the concrete around it — ideal for garage floors, shop slabs, and load‑bearing cracks.
- Extremely strong epoxy bond
- Fills deep or structural cracks
- Great for garage and shop floors
- Can be sanded and coated after curing
Rust‑Oleum Concrete Patch & Repair
A thick, trowel‑grade patching compound that’s perfect for wide cracks, pits, and small spalls. Sets up fast and leaves a smooth, durable finish.
- Thick formula for wide cracks
- Ideal for pits and small spalls
- Fast‑setting and durable
- Easy to trowel smooth
Blue Star Flexible Concrete Crack Repair
A flexible, rubberized crack filler that moves with your slab. Great for driveways, sidewalks, and areas that see freeze‑thaw cycles.
- Flexible formula won’t crack
- Perfect for freeze‑thaw climates
- Easy squeeze‑tube application
- Good for long, thin cracks
Sikaflex Concrete Fix
A polyurethane sealant that sticks to almost anything and stays flexible. Excellent for expansion joints, driveway cracks, and areas that need movement.
- Strong polyurethane bond
- Stays flexible after curing
- Great for joints and moving cracks
- Weather‑ and UV‑resistant
Related Guides
Concrete Crack Repair (Step‑by‑Step) Learn how to fix hairline, medium, and wide cracks using the right materials and prep.
Concrete Resurfacing Guide A quick walkthrough for restoring worn, pitted, or spalled concrete surfaces.
Concrete Patching Guide How to patch holes, pits, and damaged spots so the slab looks solid again.
Concrete Repair Hub See all repair guides in one place for cracks, patching, resurfacing, and more.