Practically speaking, chamfer strip moulding is a terrific (and more cost-effective) alternative to using crown moulding on the tops of cabinets. It can smooth the transition subtly but effectively. It's a small, delicate piece of trim (only ¾ inches) that creates. Cabinet moulding is the finishing detail that gives your kitchen cabinets a polished, built-in look. The right trim can lift your entire kitchen or bathroom by serving two main purposes: decorative improvement and functional gap-filling.