It depends glass - epoxy - application method - temperature

With system 3 I use 3 on 6 oz open weave with a roller application and warmed epoxy. (I pre-coat)

: What weight glass are you using? Is it tight weave or regular? How are you
: applying the epoxy (roller, brush, squeegee, etc)? How thick is your
: epoxy? You get the idea. Too many variables There's no hard or fast
: answer. Whatever it takes to fill the weave, Mike. It's always nice to
: have a bit extra for fairing.

: Dan