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My kitchen sub sold me, installed, a beautiful black granite countertop with a honed, not polished, surface. At the one and only corner, he butted two slabs and epoxied the joint, not masking the top surface. He used a solvent appropriate for the epoxy (alcohol?) to wipe up the excess. We are doing final cleanup now and notice that where the wipe-up occured, the surface looks “sealed,” or shinier than the rest of the countertop. I have asked him what he is going to do about this, and he is mumbling something about some sort of mechanical surface treatment . . . grinding, buffing, I don’t know what he has in mind. I have queried another guy that does this kind of work, and he says that, a.) the surfaces adjoining should have been masked, especially for an epoxy application (which he says is a waste of time, silicone should be adequate), and b.) we may never be rid of the gloss where the wipe-up occurred, that the thinned epoxy got into the pores of the stone, and that no amount of grinding, polishing, etc., will be able to bring it back so it matches the soft sheen of the honed surface. Should I insist this sub rip it out and start over? He has not been paid yet for the work.