Concrete repair is a technique of putting a hardened concrete surface in order to take back the ability to keep the binding concrete materials together in case of damage from environmental exposure etc. there are a lot of advantages of this process such as providing safety, improving the function and the appearance etc.
Coating is a process of applying a layer of a specific material which is deposited onto a substrate to enlarge the properties of the surface such as wear protection and corrosion.
It can extend the life of the product.