Steven asks: Do any PD's display houses have the Cat 1 or 2 carpet installed? Cat 1 or 2 floor tiles?
This is a very broad based question and we will require a little more specific information on the region you are interested in.
TILES - National Tiles keep the records on this information , if you contact them they should be able to assist but they will require you to give them the display centres you are looking to visit.
CARPETS: We don't believe there are any category 1 carpets on display but there could be some category 2. The carpet lists are extensive and it would help us greatly if you could even narrow down to a region of Melbourne (Nth, Sth, East or West) that you are looking at.