Do I need a sink drain with overflow?
Do I need a sink drain with overflow? Thus, a drain with overflow holes is needed when a sink has an overflow, in order for the excess water to drain properly. If the sink does not have an overflow, then a drain without overflow holes would be required to prevent any leaks. Can you add overflow drain to sink? Before we know it, we are running for towels and a mop to clean up the overflow. Most kitchen sinks do not come with an overflow drain, but with a little work, you can retrofit one into your kitchen sink to...