Not every foundation crack needs the same fix, and that's the first thing we tell a homeowner on the inspection. A hairline crack running vertical from the top of the wall down past a basement window is usually a shrinkage or settlement crack and injects clean with polyurethane. A horizontal crack across a block wall at mid-height is a different story, that's usually lateral soil pressure from freeze-thaw and often means the wall needs reinforcement, not just a seal. We measure, we photograph, and we tell you which one you have before we quote.
The Mahoning Valley freeze-thaw cycle is the biggest crack driver we see. Clay-rich soil swells against the wall every time the ground freezes and thaws, which happens 30 to 50 times in a Struthers winter. Tie-rod holes left over from the original pour almost always weep in spring once a hairline opens around them. Cold joints at the top of the first course of block on 1950s ranches in New Middletown and North Lima are another repeat offender. We inject these with low-viscosity polyurethane that expands to fill the full depth of the wall, not just the inside face.
Block walls take different work than poured concrete. The hollow cores hold water, so a straight injection of the inside face doesn't do much. We cut a small keyway at the top of the wall, inject through the exposed cavity, and tie weep holes into drain tile where the water keeps coming back. Poured walls get surface ports epoxied to the inside face, injection from the bottom up, cure, and cut the ports flush. Both get a written warranty against the same crack reopening.
Cheap contractors in this market will seal a crack with hydraulic cement on the inside face and charge $200 for it. That lasts one spring if you're lucky. The real reason the crack opened is still there, which is water pressure against the wall, and the cement patch just moves the leak 6 inches sideways. We use structural polyurethane or epoxy injection that bonds the crack back together through the full thickness of the wall. On an active leak we can inject with water still weeping, polyurethane cures in contact with water.
What we handle
Emergency Active Leak Injection
Polyurethane injection on a crack that is actively weeping or dripping. The resin cures in contact with water, so we can stop a leak during a storm without waiting for the wall to dry out.
Poured Concrete Wall Crack Injection
Low-viscosity polyurethane or structural epoxy injected through surface ports, filling the full depth of the wall. Standard fix for vertical cracks, diagonal settlement cracks, and tie-rod hole leaks.
Block Wall Crack and Mortar Joint Repair
Keyway cut at the top of the hollow core, injection through the cavity, and weep holes tied to drainage below. Handles horizontal step cracking and mortar joint leaks that straight surface injection cannot.
Tie-Rod Hole and Form Seam Sealing
Older poured walls leak through the row of tie-rod holes left by the forms. We inject every one of them with polyurethane rather than just the one that's weeping today, because the others are next.
Floor Crack and Cove Joint Repair
Slab cracks and the cove joint where the slab meets the wall are a drainage symptom. We inject what we can seal and call out what needs a drain tile tie-in. We tell you straight which one it is.
Structural Carbon Fiber Reinforcement
On bowing or step-cracked block walls under lateral pressure, carbon fiber straps epoxied to the inside face hold the wall from flexing further. Pairs with waterproofing on the back side.
How the job goes
1. Free Inspection and Crack Mapping
Crew lead walks the whole basement, numbers and photographs every crack, measures width, and checks the outside grade. We tell you which cracks are active, which are static, and which ones need more than injection.
2. Written Scope and Price per Crack
Each crack gets its own line on the quote with method and price. If a bigger system is warranted we quote both so you can see the difference. No sales pressure, no 24-hour-offer gimmicks.
3. Surface Prep and Port Set
Wall face around the crack gets ground clean, surface ports epoxied every 6 to 12 inches, and the face sealed with structural paste so the resin only exits through the crack, not back out onto the wall.
4. Injection and Cure
Two-part polyurethane or epoxy injected under pressure from the bottom port up, port to port, until resin shows at the next one. Full cure runs 1 to 24 hours depending on resin, wall temp, and water presence.
5. Cut Ports, Clean Up, Warranty
Ports cut flush, surface paste ground smooth, any mess shop-vacced off the floor, written warranty handed to you. Most single-crack jobs finish inside a half day on site.
What's included
- Free in-home inspection with numbered crack map and photos
- Written price per crack, not a lump-sum guess
- Structural polyurethane or epoxy resin as the crack calls for
- Surface ports and face paste installed and removed cleanly
- Full-depth injection, not just an inside-face seal
- Written workmanship warranty on each injected crack
- Shop vac and drop cloth on every job, no dust left behind
What it costs
Most foundation crack injections in Struthers run $350 to $1,200 per crack. Width, depth of wall, and poured vs block move the price. Free in-home inspection with written per-crack quote.
| Job | Typical price | Notes |
|---|---|---|
| Single Vertical Crack Injection, Poured Wall | $350 to $700 | Standard shrinkage or settlement crack under 1/4 inch wide in a poured concrete wall. |
| Wide or Deep Crack, Poured Wall | $600 to $1,200 | Cracks over 1/4 inch, cracks with offset, or walls over 10 inches thick where more resin is needed. |
| Block Wall Crack with Keyway and Weep Holes | $700 to $1,500 | Hollow core work, extra prep, and drainage tie-in push the price up on a block wall. |
| Tie-Rod Hole Sealing, Full Wall | $450 to $900 | All tie-rod holes in a wall done at once, usually 6 to 12 per wall on a standard basement. |
| Carbon Fiber Strap, per Strap | $500 to $900 | For bowing or step-cracked block walls. Typically installed 4 to 6 feet on center along the affected run. |
| Free Inspection with Crack Map | Free | Numbered photos, measured widths, written quote per crack, no pressure. |
Ranges are typical for Foundation Crack Repair jobs in Struthers and confirmed with an exact written quote before any work starts.