Foundation Crack Repair & Bowing Walls
Leaking wall cracks, horizontal cracks and bowing basement walls: what they mean, how they are repaired and what it costs.
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Not every foundation crack is a crisis, but every crack should be understood. Thin vertical cracks in poured-concrete walls are common shrinkage cracks and are usually fixed by injection if they leak. Horizontal cracks, stair-step cracks in block walls and walls that lean inward point to soil pressure and should be inspected soon.
Repair methods
Polyurethane or epoxy injection
Seals leaking cracks in poured walls from the inside. Epoxy also restores structural strength.
Carbon-fiber straps
Low-profile reinforcement that stops walls with minor bowing from moving further.
Wall anchors and steel braces
For walls that have moved more, anchors are set in the soil outside and connected through the wall, or steel beams brace the wall from floor to joists.
Typical costs
| Project | Typical range* |
|---|---|
| Crack injection (per crack) | $300 – $1,000 |
| Carbon-fiber straps (per strap) | $500 – $1,000 |
| Wall anchors or steel braces (per wall) | $4,000 – $12,000 |
*General US ranges for orientation only.
Related guides
FAQ
Common questions
Which cracks are serious?
Horizontal cracks, cracks wider than about 1/4 inch, stair-step cracks in block walls and any wall that leans inward should be inspected by a professional soon.
Will my wall keep moving?
Walls pushed by saturated soil usually keep moving slowly. Stabilizing early is much cheaper than rebuilding a wall later.
Service areas
Where we can help
Pennsylvania
More service areas
- North Jersey & the Jersey Shore
- Long Island (Nassau County), NY
- Maryland (Baltimore & Washington suburbs)
- Washington, DC
- Northern Virginia
- Minneapolis – St. Paul, MN
- Tennessee (Nashville, Knoxville, Chattanooga & more)
- Metro Atlanta, GA
- Charlotte, NC & Rock Hill, SC
- Portland, OR & Vancouver, WA
- Alabama (Birmingham, Huntsville, Montgomery, Mobile)
- Indianapolis & Central Indiana
- Chicago & suburbs, IL
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