Echo epoxy putty is a two-component, high solid epoxy filler, which-when fully-cured is resistant to water, aliphatic hydrocarbons, and can be used to repair a variety of surfaces including metal, wood, glass, concrete and ceramics...Echo epoxy filler has excellent lap shear strength characteristics for repairs on any type of surfaces, it has excellent filling properties and can be recoated with epoxy and polyurethane coating systems.Echo epoxy filler is recommended for use as a repair filler or levelling compound for interior steel, concrete substrates or concrete floors, hardwood, and other rigid materials.