Woodman 58, I use stickers that are no less than one inch square. I do not get a rolling after affect with that dimension. The big boy kilns in my area use a sticker that is 3/4" thick and 1 1/2" wide. I use to make them 54" long, but have converted to 48" in length for the convenience of the forks on the loader.
With the one inch thick sticks I feel I get a better air flow for both air drying and in the kiln.