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 ...

Our boots sink in the unsettled ... being blown out of a vent in such large volumes that they can actually build land," Professor McPhie says. "Most of that island is made up of very small ...