Site inputs
Symptoms, elevations, access, water and loading context.
Foam Injection / System 08
Slab Lifting + Void Filling
Controlled polyurethane foam injection for slab lift, support and void reduction.
EXISTING STRUCTURE
VARIABLE SOIL
BEARING STRATUM
01LOAD TRANSFER
02MONITORED INSTALLATION
CONCEPTUAL SYSTEM / PROJECT-SPECIFIC ENGINEERING REQUIREDThe problem
Loss of support, erosion or settlement can leave a slab uneven, hollow or vulnerable to further movement.
The system
Small injection points deliver expanding material beneath the slab while elevation and response are monitored.
- Walkways
- Interior slabs
- Drive approaches
- Void filling
AccessSmall injection points
MaterialProject-selected foam
ControlIncremental lift
StatusProject-specific selection
How the system works
Investigate.
Select.
Install.
Document.
Every repair starts with conditions and constraints—not a predetermined product.
Repair objective
Define stabilization, recovery, support or ground improvement.
Technical criteria
Coordinate system, capacity, details, sequence and verification.
Field record
Capture installation information, photos and closeout documents.
CONDITION MAP
FIELD SEQUENCE
CLOSEOUT RECORD
Frequently asked
Clear answers.
No shortcuts.
Is foam lifting the same as foundation repair?＋
No. It can support or lift eligible slabs but does not replace a foundation system where structural loads require one.
Can foam fill every void?＋
Access, containment, moisture and void geometry affect suitability and material distribution.
How quickly can a slab be used?＋
Return-to-service depends on the material, site conditions and repair details.
Project-specific answer