Basiscrack injections are used when poured concrete foundations crack either fromsettlement or the expansion and contraction of the concrete.
Cracks on the top surface of slab-Injection grouting as required, large cracks repair with URP modified mortar Cracks on the bottom of slab due to excess deflection of slab-Structural consultant's opinion must be taken; if leaking can be addressed with a hydrophobic PU foam injection grout Cracks at column supports-Structural consultant's opinion must be taken Excess porosity in the slab, bad quality concrete-Resort to Injection grouting Expansion joint in the slab-Polysulphide sealant application with proper detailing Inadequate design of the slab-Structural engineers opinion Spalling of concrete due to corrosion in the slab-Detailed repair with catholic protection & repair materials Cracks due to differential settlement of a building-structural and soil experts opinion must be taken.