Black granite kitchen top crack repair The granite kitchen top in the house had been poorly installed and suffered a crack as a result and badly made joints between the slabs. I was Called to improve on the crack and make nicer lines overall. 1 Bad repair in crack near hob. 2 Open and Missing joints. 3 Missing glue in joint. 4 Badly made corner looks untidy. 5 Corner redone. 6 Can hardly see the joint line now. 7 Joint line up close. 8 Crack repair tidied up a bit. see more repairs