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HOW IT WORKS
Foamjection Technology is designed to compact subgrade that is weak or sinking,
stabilize the concrete slab above and, if necessary, lift the slab to eliminate unlevel surfaces and trip hazards.
Step 1
Penny size holes are drilled through the slab where the damage exists. About five feet apart.
Step 2
Ports are installed and hot, liquid Polyurethane foam is injected under pressure. The foam expands to compact the subgrade and stabilize the slab. Pressure gauges tell the installer when the subgrade is fully compacted, and the slab is stabilized.
Step 3
If lift is desired, additional foam is injected very slowly to raise the slab as close as possible to its original position.
Step 4
The injection sites are filled and leveled using sanded concrete. The work area is cleaned.
Most projects are completed in less than a day. The slab is ready for use within one hour of completion.