How To Repair Crack Exclusiveed Stone Window Sill -
I began by examining the crack more closely. It was about 6 inches long and seemed to be spreading outward from the center of the sill. I checked to see if the crack was just superficial or if it went all the way through the stone. Fortunately, it was only about 1/4 inch deep, which made the repair process much simpler.
Before any repair is attempted, a non-destructive evaluation (NDE) must be performed. how to repair cracked stone window sill