Glassing Schedule for Stringerless Ice-9 Cane

I just shaped a board for my wife. It's a 5'8 x 22 x 2.5" Mini-Simmons Arctail. I used a stringerless Ice-9 Cane blank that I had laying around. I want to make it as light as possible for her, but, don't want it to flex too much either (being stringerless). She is pretty light on boards, but I don't want her going out and the thing just flopping around. Normally with a I9 Cane, I would just use a 6oz layer on the deck and a 4oz on bottom. But, without the stringer, I'm gonna need to add something, somewhere. I will not be glassing this myself, as I've got too much to do with the handplane business, so I wil be taking to a shop in San Diego to have it done.  Here are a few thoughts I had:

1) Use Epoxy. Epoxy tends to be stiffer than poly, and added to an Ice'9 blank, might do the job.

2) Do the standard stringerless schedule, 6x6oz deck, 4 or 6 oz bottom. Also considering 6x4 deck. ? 4x4oz deck.

3) Find someone to do carbon fiber rails, then sticking with my standard 6oz deck, 4 oz bottom.

4) Just use an extra 6oz on the rails only (kinda like a carbon fiber rail would be, except normal 6oz), then glass standard 6oz deck and 4 oz bottom.

5) Find someone to put a Bamboo Deck on it, and then glass as normal.

Anyone's help or thoughts from people with any experience either riding a shape like this in stringerless, or making a board like this (especially you guys in production), would be greatly appreciated.

Mines not a cane blank its 2# eps.Its 5’5x23x2 3/4" with a deep concave(1/4-3/8") all the way.Its glassed 1 layer of 6oz E top and bottom and I weigh 185ish and the board is not floppy,justs got some footwells and dents like a HP poly.