Epoxy injection is a common technique used in the construction industry to repair small cracks in concrete structures. It involves injecting an epoxy resin into the cracks to fill and seal them, restoring the structural integrity of the concrete.

Epoxy injection is commonly used to repair cracks in various concrete structures, including walls, floors, foundations, and other elements.  It is an effective method for preventing further crack propagation, restoring the structural integrity, and preventing water infiltration.