When a hairline crack appears in your sink, you don’t want to leave it untreated. Fine cracks in porcelain or ceramic will soon allow water to seep through, causing damage to cabinets and flooring. If ...

We may earn a commission from links on this page. It happens: You’re washing your hands or the dishes and you notice a crack in your sink. It’s tiny, and a quick check assures you that your sink isn’t ...

Q: My porcelain bathroom sink has developed a hairline crack that is almost invisible, except when dirt gets into it. It does not leak. Is there anything I can do to make sure it doesn’t leak? A: That ...

Q. About one year ago a plumber installed a granite vanity top with a porcelain under-mount bowl in my bathroom. This week a hairline crack 6 to 7 inches long, beginning at the drain area, appeared.