Slab Jacking vs. Helical Piers
Slab jacking and helical piers are two common foundation repair methods addressing different types and severities of foundation settlement.
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Slab Jacking (Mudjacking/Polyjacking)
Injecting material beneath a sunken concrete slab to lift it back to level, typically for driveways, patios, or minor slab settling.
- Lower cost than structural pier systems
- Faster to complete
- Effective for minor to moderate settling
- Not appropriate for significant structural foundation issues
- May need to be repeated if underlying soil issues aren't resolved
Helical Piers
Steel piers screwed deep into stable soil or bedrock to support and stabilize a foundation experiencing significant settlement.
- Addresses more significant structural settlement issues
- Provides deep, stable structural support
- Often comes with a long-term warranty
- Significantly higher cost, especially for multiple piers
- More invasive installation process
Which one makes sense for you?
Slab jacking is a lower-cost option well suited to minor settling in slabs like driveways or patios. Helical piers cost significantly more but address genuine structural foundation settlement — a structural engineer's assessment can help determine which situation you're actually facing.
Key cost factors.
- Severity and cause of the foundation issue
- Soil conditions and depth to stable bearing soil
- Number of piers needed, if applicable
- Whether a structural engineer's assessment is recommended
Before you decide.
- What's causing this specific foundation issue?
- Is this method appropriate for the severity of my specific situation?
- What warranty comes with this repair method?
Frequently asked questions.
Do I need a structural engineer before foundation repair?
For anything beyond minor cosmetic cracking, an independent structural engineer's assessment (separate from the repair contractor) is often a valuable step before committing to a specific repair method.
All figures on this page are illustrative examples for general education, not quotes, appraisals, or guarantees of actual pricing. Actual costs vary by provider, location, project scope, and market conditions — always get a specific quote before making a purchasing decision.
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