Suggest you do a few and see how it levels and sands.
Just a note about Tufweave. The cloth is a mixture of glass and polyester. Wenonah gets excellent adhesion because the styrene solvent in their vinylester resin actually cuts into the surface of the polyester. Better adhesion than to Kevlar by quite a bit. I would guess that you could use a vinylester gelcoat to fill those spots. 3M, I believe, has one that comes in a small can and apparently lasts longer than ordinary vinylester resin. Because of the aforementioned adhesion to polyester, such gelcoat would adnere well.
I do kind of wish that Wenonah would not put gelcoat over Tufweave, which wears smooth without it. It would save some weight. In addition, the glass fibers are immune to UV, and polyester is quite resistant. Vinylester resin is probably more resistant to UV than epoxy, but I haven't seen data.
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