For the decking using 3/4" you need the 1" grip range 3/16" LF blinds which are the longest they have I do believe.
Wood .750 + AL .080 = .830 and of course what ever is on the wood sealing adds a bit to the thickness too
No steel mandrell rivets unless you seal the hole up on the mandrell end with 5200. So what are you riveting through the hull with closed blinds? Anything structural should be solids or if not possible SS machine screws and nylocks will work too, The bottom thickness is .080 AL as are the ribs and brackets/braces. The transom skin is .090. They're 3/16" dia as well.
Hope that helps you decisions, It never hurts to have a rivet a little bit longer rather than too short.