02-21-2011, 08:15 AM
It is fairly common to isolate ballasted track just as you stated. Carefully cut the rails and then glue some plastic in the gap, and carefully file it to shape. I think it was Russ that suggested using plastic bread wrapper clips for this purpose (the little rectangular plastic thing that holds the bread bag closed in lieu of a tie.) I'll be using a Dremel tool with a cutting disk to do my gaps.