Quote Originally Posted by cerrenity
Hhmm...I have had to place cardboard in both of my crates. The noise they made drove me crazy.

Maybe it's the difference in the coating of the metal?
My crates are completely silver...just a "tarnish" or something like that over the metal. That crate may have some sort of "padding" with the black _____ that covers the metal.
I really have no idea.
That could very well be it, mine is PVC coated (I think they call it the PVC coating).