Since your using a certainteed certified company, just stick with the diamond deck. It is more than adequate. 6 nails, certainteed makes a good product you’ll be fine.
Patchup, you like diamond deck on your 8/12s?
How is the traction when it is wet?
It’s not bad, but honestly really don’t like walking on any wet synthetic. 8/12 I usually keep my ropes pretty tight anyway