Comparisons
Piering vs mudjacking: support or lift
Piering vs mudjacking is a question of support versus lift.
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Written by HyreFoundation Research Desk Primary-source research and fact checking
The short answer
Piering vs mudjacking is a question of support versus lift. Piering drives steel or concrete piers down to firm soil and transfers the house load to them.
Mudjacking, and foam lifting, pump material under a slab to raise it on the soil it already sits on. Piers are for a settling foundation; slab lifting is for flatwork.
Key takeaways
and raises concrete on existing soil.
with slurry or foam does not stop it sinking.
piers for the foundation, lifting for a patio or garage slab.
Piering vs slab lifting, side by side
| Question | Piering | Mudjacking or foam |
|---|---|
| What it does | Piering: supports the foundation on deeper soil or rock. Lifting: raises a slab and fills the void under it. |
| Where it is used | Piering: footings and grade beams of the house. Lifting: driveways, patios, walks, garage and basement floors. |
| Fixes ongoing settlement | Piering: yes, if designed correctly. Lifting: no. |
| Engineering | Piering: sealed design in most cases. Lifting: usually not required. |
| Disruption | Piering: digging at each pier. Lifting: drilled holes. |
| What neither does | Fix the water or soil cause. |
When piering is the right repair
: wall cracks, sloping floors, sticking doors.
shows the footing has dropped.
and will keep moving.
sits on the area.
When slab lifting is the right repair
has sunk.
that carries no walls has dropped.
, like a downspout that washed soil out.
enough to lift.
What moves the price
No prices. These are the differences that make one job much larger than the other.
| Factor | Why it changes the number |
|---|---|
| Scope | Piering is structural work on the house; lifting is surface work. |
| Number of piers | From the engineer’s design. |
| Void size | Drives material for lifting. |
| Engineering and permits | Usually needed for piers. |
| Drainage | Needed for both. |
HyreFoundation publishes no prices for this work: we hold no sourced, dated quotes. The factors above explain why two quotes differ. See how foundation pricing works.
The short version.
If the house itself is moving, you need support, which means piers designed by an engineer. If only flatwork has sunk, lifting is usually enough. Do not let anyone mudjack a footing that carries the house.
What to ask before you sign
The full checklist is on choosing a foundation contractor.
What to have ready
: the house, the slab or both.
if you have them.
near the low spot.
under the area.
Where this goes wrong
A lifted footing can keep sinking.
Usually more than flatwork needs.
Water undoes both.
Get connected
Tell us about the work
Three short steps: the job, your home, and how to reach you. Nothing goes to a foundation company unless you agree.
A straight answer first. A person reads it and replies by email, free and with no obligation. Matching is not live yet, so this is not a quote. If a wall is moving or a door frame has racked out of square this week, call a structural engineer first.
Find a Foundation Professional
A person at HyreFoundation reads the request and replies. Matching is not live yet, so this is not a quote.
Questions
Is piering or mudjacking better?
Can mudjacking fix foundation settlement?
Do I need an engineer for slab lifting?
Can a slab be lifted after piering?
How do I tell what is moving?
Written and audited by
HyreFoundation Research Desk
Primary-source research and fact checking
We read the model building code, the federal soil and moisture guidance and the insurer position ourselves, and we publish each figure with the document it came from and the date we retrieved it.
Where a number cannot be traced to a primary source, we say so instead of printing it. HyreFoundation does not inspect, engineer or repair foundations. Authorship is organizational: this desk, not a named persona.
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How this desk works
- Primary sources only. Code statements come from the International Residential Code, Chapter 4, as the model code. Soil statements come from USDA and USGS. Insurance statements come from the policy language and the Insurance Information Institute. We open the source rather than cite a blog that cites it.
- The code is a model, and adoption is local. Your jurisdiction adopts an edition and amends it, and foundation chapters are amended more than most because frost depth and soil are local facts. Every code figure says so.
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Sources & retrieval dates
Information on this page is general and varies with soil, climate, foundation type, building code, insurance policy and circumstance.
It is not engineering, insurance or legal advice, and no page can tell you whether your house has a structural problem: that needs a licensed professional on site.
HyreFoundation is an independent foundation resource, not a repair contractor or an engineering firm, and does not perform, supervise or warrant foundation work.