- Apr 23, 2002
How important is it to line the inside of the cabinet in addition to any fiberglass or poly insulation. I've read about asphalt roofing materials, felt, carpet underlay, and I was thinking of using some kind of spray-on rubberised stuff possibly. How important is any of this if the cabinet is already well sealed with silicone. I've seen the insides of various manufacturer's cabinets, and they don't seem to bother with anything but fiberglass or foam. I'm planning to use fiberglass or egg crate foam to line the cabinets for sure. Do I need anything under that lining? Any suggestions would help.