The Best & Strong Epoxy Mortar Is an admixture to be added into cement paste ( cement and water mixture) to produce a flowable, expanding and high quality aggregate-free grout. It is designed to infill long and narrow ducts ( pre-stressed concrete) , holes ( soil nailing, ground anchors, honeycomb, holes below the slab) , joints, bed, etc. It may be used also to stop the leaks and injection medium size cracks.