I used 38oz plain weave with 1oz chopped strand stiched to the bottom of that, it measured .040 thick with some calipers.
I know it is thick as it took 3 gal of VE to wet out the floor and 1.25 gal of epoxy resin to wet out the transom.
I got the fiberglass direct from a mill here in SC that makes fiberglass products, it was for boat building, it was a 50'' wide 50' roll, I was suprised that you can see so clearly after resin was applided, the floor I used VE and the transom I used epoxy. So being so clear I guess that is just the good quality of the glass and resin from US Composites.
I used epoxy putty in all the gaps and used that to glue the stringer ends to the 2nd layer of the new transom.
I also used 6'' wide strips of that 38oz glass to tie the transom on the sides, bottom and around the stringer first, then covered the whole thing with one big piece of the same glass.
I think this should be very strong.
Let me know what you think.
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