To prevent it from plugging up, the pipe must rise six inches vertically above the sink’s overflow level before it goes horizontal. Obviously, a vent pipe in a kitchen island can’t do that.

Should you have a sink on a kitchen island? It's just one of the many questions you’ll encounter when designing your dream kitchen. It's something you see all the time, so you'd be forgiven for ...

An under-mount sink, installed beneath the countertop ... as adding adequate clearance and ventilation, such as a vent hood for your island, you should be okay. Clearance and ventilation, whether ...