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choosing the right fibreglass
Okay I'm a bit stumpted. Looking to glass over some through hulls below the waterline, using epoxy, but I'm not sure what cloth I should be using. The only info I got from the book was just to use "10oz cloth" (around 280g).
Looking at the stores I see plain weaves at 100-200grams, twill weaves at 280grams, and biaxial fabric at 400-800grams.
What I really want to know is just, does it even matter, will any do the job? Or are there certain types that I definately shouldn't use for hull-jobs? And also, what are the uses of a higher or lower weight? Will a high weight cloth create a stronger structure, or is it the other way around?