Weve gotten pretty good at laying glass, and have devised a method that lets us lay two layers at once. The first time we did it was a little tough, but through a little trial and error, weve got it down to a science. By doing two layers at once we are saving time and I think well have a stronger boat, because laying two layers at once will give us a single chemical bond in addition to the physical bond. It also seems to cut down on the amount of sanding we need to do.
Our double layer method consists of measuring the glass cloth and laying them in place, and laying a coat of epoxy thick enough to saturate both layers of glass. The horizontal surfaces are very easy, but the vertical surfaces are a little more tricky. Weve found that its best to use a roller to work a thick layer of epoxy into the glass at the top, and then slowly squeegee the excess down the side. Make sure to do this very slowly, so the epoxy has a chance to saturate the cloth as you go down. If the epoxy is rolling down the surface as you use the squeegee, youre moving too quickly.
One note: I do NOT recommend doing this double-layer method unless youve got two people for the task.
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