In my new room, we laid all vinyl floors, I just have an area rug down because I love the feel of carpeting.<img src="i/expressions/face-icon-small-happy.gif" border="0"> In my efficiency apartment that I am about to move out of, there is wall to wall carpeting. I have heard folk tales of PWCF not doing so good with carpets, but I never had a noticeable problem from them.