A two component, solvent free epoxy which can be applied underwater, and will cure underwater to give a corrosion and abrasion resistant coating. As a hand applied repair compound for application to submerged steelwork and splashzone areas of offshore jackets, piling and other permanently wet areas where conventional coatings cannot be used. Interzone 101 can also be used on concrete, glass reinforced materials, and is suitable for use at new construction as well as maintenance.