We have a rectangular decked garden that is split in two sections by a step, both sections are covered by rather old decking. There is concrete underneath the decking and getting rid of it isn't an option. I was thinking of covering one of the decked sections with either slate or wood chips just to brighten it up and for a bit of variation, but was wondering if there are any cons to it (apart from the cost)... Will the deck rot if there are wood chips over it?