What Is Concrete Lifting & How It Works
Concrete lifting — sometimes referred to as mudjacking, slabjacking, pressure grouting, or polyjacking — is the process of raising and leveling sunken concrete slabs by pumping a material beneath the surface to fill voids and restore elevation.
Traditionally, mudjacking used a mix of soil and sand (hence the “mud-like” name). Later, cement-based grouts offered stronger performance. Today, expanding structural polyurethane foam dramatically improves lifting precision, strength, and speed.
Engineered Foundation Technologies (EFT) combines both traditional and modern technologies to provide tailored concrete lifting solutions across Boston, Greater Massachusetts, and all of New England.
Better Lifting with Less Disruption
Polyurethane slabjacking delivers faster repairs, higher strength, and lighter loads on subsoils — all with minimal noise, dust, and cleanup compared to old-school replacement work.