Best fit
Polyjacking can be a good fit for certain slab and flatwork issues, but major structural settlement may require piers or deeper stabilization.
FoundationCost.ai
Polyjacking Foundation Repair Cost
Polyjacking uses expanding polyurethane foam to lift or stabilize some concrete slabs and fill voids.
Typical repairs$1,800-$14,000
Major settlement$14,000-$35,000+
Quote signalsScope, warranty, piers, drainage
Best next stepCompare diagnosis before price
Planning range
Typical Cost Range: $2,000 to $12,000
Treat this as an educational range. Your local quote can move higher or lower based on access, repair quantities, soil conditions, water management, permits, and whether an engineer is involved.
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Enter what you know. The range updates instantly and stays conservative.
Low
$2,500
Typical
$8,500
High
$20,000
ConfidenceLow
Likely repair methods
- Polyjacking or mudjacking
- Steel piers
- Helical piers
- Soil moisture correction
Main cost drivers
- Moderate visible severity
- normal access around the affected area
- unknown foundation type
- 2,000 sq ft home size
Questions to ask
- What failure mode are you diagnosing, and what evidence supports it?
- Does this quote include permits, engineering, cleanup, and warranty terms?
- Which line items are required now, and which are optional upgrades?
- How will drainage, grading, or plumbing leaks be ruled out before repair?
- Can you show comparable local projects with similar foundation conditions?
Second opinion
Get a Quote Review Checklist
Send the basic project details and quote text. The form is built to work before you add a mail provider, and can email leads once `RESEND_API_KEY` and `LEAD_TO_EMAIL` are set.
Good for high-price pier, waterproofing, slab, and crawl space quotes.
Avoids collecting payment or sensitive documents on the first pass.
Quote checks
Confirm square footage, injection points, lift targets, foam density, warranty, and whether water or soil issues are being addressed.
Average Foundation Repair Costs
| Repair type | Low | Typical | High |
|---|---|---|---|
| Hairline crack sealing | $500 | $1,800 | $5,000 |
| Foundation leak repair | $1,200 | $4,500 | $12,000 |
| Slab foundation repair | $2,500 | $8,500 | $20,000 |
| Pier and beam repair | $3,000 | $9,500 | $25,000 |
| Settlement repair with piers | $5,000 | $14,000 | $35,000 |
| Bowing wall stabilization | $4,000 | $12,000 | $30,000 |
Common Repair Methods
Polyurethane foam injection
A contractor should explain why this method fits the observed movement, soil conditions, drainage, and load path before asking for a signature.
Void filling
A contractor should explain why this method fits the observed movement, soil conditions, drainage, and load path before asking for a signature.
Slab lift
A contractor should explain why this method fits the observed movement, soil conditions, drainage, and load path before asking for a signature.
Drainage correction
A contractor should explain why this method fits the observed movement, soil conditions, drainage, and load path before asking for a signature.
Warning Signs to Take Seriously
Large structural cracks
Foundation wall movement
Unknown void cause
Water near slab edge
Already Have a Contractor Quote?
Paste the quote into the checker to identify vague scopes, missing warranty details, and questions worth asking before you commit.
FAQ
Should I use this page as a final repair price?
No. Use it as a planning range only. A final price depends on inspection findings, soil conditions, access, permits, drainage, materials, and engineering requirements.
How many quotes should I compare?
Most homeowners should compare at least two or three written scopes, especially when the repair involves piers, waterproofing, wall stabilization, or structural movement.
Related Guides
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Disclaimer
This tool provides educational cost estimates only. It is not a structural engineering report, legal advice, or a substitute for an inspection by a licensed professional.