Home foundations need repair or replacement over time as subsurface soil erosion and poorly ... as Uretek or polyurethane foam injection, under the existing concrete slab(s) to raise it back ...

Polyurethane Foam Injection: In cases where soil has already shifted, polyurethane foam injection can help fill voids beneath concrete slabs to restore stability. Routine Inspections: Regular ...

Results have showed that the CO 2 and steam injection method improved the mechanical properties of the concrete, offering increased strength compared to conventional 3D printed concrete.