Date: 11/14/2008 3:52 pm EDT
Krista that should not be necessary. The bottom of the Avaire grid trays have a soft rubber-like surface that will in theory hold your floor in place.
I personally would drop two or three spots of silicone into the gaps along each wall just for fun but that isn't a company recommendation. I use "gobs" about an inch long. That's a technical term: "Gobs".