I'll have a picture tomorrow of the two ply test I ran using the epoxy and two sheets of the marine ply. I made a "board" about a foot long out of two sheets of ply laminated together and with the help of a few house bricks, I added a little rocker (more that I'll have on te board itself), just to see what happened. I coated each sheet in epoxy, then added a bonding compound (I think it's a silicate additive - basically a glass thickener) to one layer and stuck the two together. I guess that the bonding additive would give a similar effect to the addition of a glass fibre layer. I also drilled a few holes in the top layer (as I'll be doing with the middle ply of the board) and filled them up with the remaining epoxy/bonding additive mix. This way Ill find out how reliable it'll be to drill out big holes to take fottstrap and fin bolts/inserts.
I've learned to always have more gloves to hand (heh), and never start the proces unprepared. Also I bought the "Glass Fibre Handbook" off Amazon the other day, full of stuff including a frustratingly small chapter on sandwich construction - basically foam and glass fibre (presumably carbon fibre would work in a similar way). Man, there's a lot to learn, as usual ...
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