Some of my doors are over 30-inches wide. Will the width be a problem?

Custom Cabinet Makers limit the size of doors in their designs. These limits have evolved over time to insure that the cabinets and the doors will be reliable and trouble-free. The rule-of-thumb is that door heights of up-to 80 inches are seldom a reliability problem. Door widths, however should be kept to under 24-inches. The reason the width is an issue is because wood expands or shrinks in width with changes in humidity, far more than it changes in length. These humidity-caused width changes can actually cause the expanding panel to push the door frame apart. By keeping the panels below 22-inches (and our allowing for 1/4″ of panel expansion room in the stiles) we remove the possibility of door failure due to increasing humidity.