If you use fresh mortar allow the repairs to cure for at least 60 days prior to recoating with epoxy.
Epoxy to repair a chip in a marble floor.
Use an epoxy that comes in two parts and mix them in a clean bowl according to the directions.
Step 1 blow some compressed air into the crack to blow out any dust or debris that may have settled into it.
Repair chips and holes in the floor.
Chipped stone flakes are broadcast into a colored epoxy polyurea polyaspartic or urethane basecoat.
Make sure that the hole has been fully cleaned and prepared prior to filling the hole with epoxy.
Because marble typically has so many veins and fissures in it a crack can be repaired with an epoxy compound that will blend in with the rest of the surface.
When the coating is tack free and ready to be re coated excess chips are cleaned off the surface and one or two coats of a clear topcoat are applied.
You will have to work quickly before the epoxy starts to set.
Clear epoxy or a marble epoxy repair kit can be used.
This is the easiest method to repair a marble floor that has a chunk taken out of it and is missing.