When we moved into our new house, I loved our custom sink . What I didn't love was that it was 20 years old , all scracht up and almost impossible to replace. The easiest solution was to have it refurbished. This has to be done by professional. A porceleine sink will first be sanded , then painted, holes,scratches will be putted. The last step is to seal the sink. The area has to be protected and well aired. The result is stunning. Before:
This process avoids complication one can encountered to changed a custom sink. It is well worth it.