scratch the floor? i have a cast iron screen from pottery barn http://www.potterybarn.com/cat/pip.cfm?src=shpcacchmafpl%7Crshop&sid=PBW6U3MEU0N8MX9MKUIYXO3P1XV46QH4200609211029&pkey=cacchmafpl&gids=p3694&bnrid=3382401&cm_ven=Gravity_Stream&cm_cat=Natural_Search&cm_pla=Generic&cm_ite=pottery%20barn%20fireplace%20screen just for visualization purposes it is an oxford style mantle click here and scroll to second one down http://muracaent.com/customizeddesigns/item.nhtml?profile=customizeddesigns&UID=102 do they have special ones that dont scratch hearths or should i just try and find rubber feet or some type of rubber bottom for this one? what do you think? thanks in advance for any input i bought the pottery barn screen before the fireplace was renovated when there used to be a brick hearth before it was replaced with granite i mean a screen that wont scratch the granite hearth