The most common way to repair foundation cracks in concrete slabs and walls is to fill the crack with epoxy, a synthetic resin. Epoxy is known for its toughness, superior adhesion, low shrinkage and resistance to chemicals and water.
Before the epoxy is injected, the surface surrounding the crack needs to be prepared. This involves cleaning the area and removing any loose material with a chisel. After the crack has been filled, staples are placed across the crack for additional support and stabilization. Repairing the crack with epoxy will prevent it from increasing in size and prevent moisture from penetrating the concrete.
Foundation cracks can also be closed and prevented from moving by installing carbon-fiber Kevlar straps. … Read the rest