As its name suggests, a sink’s overflow hole gives water a place to go in the event that the drain is closed or blocked, and the faucet is left on. While the sink’s drain is located at the bottom of ...

Have you ever wondered about that hole near the top of your bathroom sink? Depending on the design of your sink, it may have ...

Overflow drain at the top of a sink - Ari Triyanto/Shutterstock If you are not a plumber or sink installation expert, there may be some components of your bathroom sink you have yet to learn about.