: Sorry, I know this has probobly been discussed to death but I can't seem to
: find my notes. I'm in the process of designing a 14'x28"
: recreational/fishing kayak to be built hybred style. I'd like to calculate
: the weight of the ( 40 sq ft) hull but need to get an approximation of how
: much a coat of 6 oz cloth and 3 layers of epoxy add. I'm thinking about
: 2.5oz /sf. Am I off by much?
: Thanks
: Dave

For a rough estimate of finished weight I use 0.7 pounds per square foot for 6 oz glass on 1/4" thick strips. This is the total, not just the contribution of the glass and epoxy.