Sounds like inadequate venting for the drain lines. Could have been build this way or maybe a clog has developed in the vent pipe. Such as birds or squrrels building a nest in the vent pipe up on the ... read more
HereĀ is a list of what "not to do" with kitchen remodeling....
http://freshome.com/2012/10/23/10-mistakes-you-dont-want-to-make-in-your-kitchen-design/
Here is actuall pictures in houzz you can see as ... read more