When we are called to assist a home owner with a free estimate on whether they should level and repair their concrete, or replace it, they are often happily surprised they can have perfectly aligned concrete again, in a matter of minutes, saving them time and money. That’s because when compared to concrete replacement, the process of raising concrete with polyurethane foam is inexpensive and is exponentially faster than replacing the concrete. Concrete raised, leveled and repaired using polyurethane foam is often ready to sustain normal use within minutes of being leveled. Using only a 5/8" hole , the repair work is almost undectable. more... See more text