Allen County's #1 Foundation Crack Repair Experts
Foundation cracks in Allen County homes almost always come from one of three causes: hydrostatic pressure from saturated lake-plain clay, freeze-thaw cycle expansion, or differential settlement on graded fill. We've sealed thousands of cracks across Fort Wayne, Aboite, New Haven, Huntertown, and the surrounding communities. Every repair comes with a transferable lifetime warranty.
Polyurethane Injection — $400 to $700 per crack
The right choice for active leaks. Polyurethane foam expands inside the crack, fills every void, and stays flexible — so it moves with the wall instead of cracking out. Most jobs take 1–2 hours. We use this method on roughly 70% of Allen County cracks.
- Expands 8x to fill micro-voids
- Stays flexible — survives freeze-thaw cycles
- Cures in 30 minutes — basement usable same day
- Backed by lifetime warranty
Epoxy Injection — $500 to $900 per crack
For non-moving structural cracks. Epoxy is rigid and structurally bonds the two sides of the wall back together. We use this on settled-but-stable foundations, garage floors, and post-tension slabs.
Crack Types & What They Mean
- Vertical hairline — concrete shrinkage. Cosmetic. Seal to stop water.
- Diagonal — minor settlement. Monitor if hairline, seal if >1/8".
- Horizontal — STRUCTURAL. Wall is failing under hydrostatic pressure. Needs reinforcement (see bowed wall repair), not just sealing.
- Stair-step in block — differential settlement. Needs underpinning.
Why DIY Crack Sealers Fail
Hardware store crack sealer is hydraulic cement or caulk. Both fail within 18 months in an Allen County basement. Why? Hydraulic cement is rigid — when the wall moves (and northern Indiana freeze-thaw makes walls move), it cracks out. Caulk degrades from constant moisture. Professional polyurethane stays flexible AND waterproof for the life of the home.