Cost factors
What affects the cost of polyjacking
Prices vary by region, contractor and site, so we don’t publish figures. These factors drive the quote you’ll receive.
Main cost drivers
- Area and number of slabs
- How far the slab needs to be lifted
- Volume of voids to fill (foam is often priced by quantity)
- Access and set-up
- Product selected
- Extras: joint sealing, crack repair, drainage corrections
Comparing quotes
- Is the scope identical — same slabs, same target levels?
- Is joint sealing included?
- What is the warranty, in writing, and what does it exclude?
- How will the cause of settlement be addressed?
Next step: an assessment
Photos help, but the only reliable way to decide whether a slab can be lifted is an on-site look at the concrete, the drainage and the likely cause of settlement. Submit a request and the HAUSE intake team will review it and confirm whether a suitable contractor is available in your area.
Conceptual illustration
What drives cost on a specific site
The site factors that change scope. No prices — a contractor quotes after assessment.
Area & number of slabs
More panels means more injection points and set-up.
Adds scope: Several separate areas
How far it must lift
Larger drops take more material and care.
Adds scope: Deep settlement
Void size underneath
Unknown until drilled; big voids use more foam.
Adds scope: Washed-out soil
Access
Distance for hoses, obstacles and working space.
Adds scope: Backyards, tight side yards
Concrete condition
Cracks may need sealing; some slabs can’t be lifted.
Adds scope: Many cracks
Drainage fixes
Downspouts or grading may need work so it lasts.
Adds scope: Water toward slab
Product & site conditions
Foam type and weather affect the approach.
Adds scope: Cold or wet season
No prices are published. Scope and cost are set by the contractor after seeing the site.
Text version
- Area & number of slabs: More panels means more injection points and set-up. Tends to add scope: Several separate areas.
- How far it must lift: Larger drops take more material and care. Tends to add scope: Deep settlement.
- Void size underneath: Unknown until drilled; big voids use more foam. Tends to add scope: Washed-out soil.
- Access: Distance for hoses, obstacles and working space. Tends to add scope: Backyards, tight side yards.
- Concrete condition: Cracks may need sealing; some slabs can’t be lifted. Tends to add scope: Many cracks.
- Drainage fixes: Downspouts or grading may need work so it lasts. Tends to add scope: Water toward slab.
- Product & site conditions: Foam type and weather affect the approach. Tends to add scope: Cold or wet season.
More in the visual guides · try the slab self-check.
Have a settled slab?
Describe it, add photos if you have them, and the HAUSE intake team will review your request and confirm whether a suitable contractor is available near you.
Request an assessment