I plan on having my insert out again this weekend, so I'll get it for you then. Going to put some Lytherm gasket material under the rails while it's out. Since my setup is "built in" and not in a masonry fireplace, I tend to get some minor resonance from the fans and motors which transfers thru the house. I figure the lytherm should help isolate the stove from the tile. I also plan on putting a lytherm layer between the convection motor and where it mounts to the stove frame. It should isolate it kind of like how the exhaust blower is isolated. As you know I'm a tinkerer. The stove is fine as is, but I like to fine tune things.