carlp" ) writes:

use of polyester for
the bulk of construction

could you be a little more specific?

.. and epoxy to seal the polyester

for an effective moisture seal 3 layers of epoxy are recommended.
epoxy does not flow like paint or varnish to leave a smooth finish.
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Thanks for the reply,
The boat will be an heavy displacement type 45% Bal.
light frames 475mm spacing with stringers ply gusset floors continuing
down to form box type keel, a V bottom single slightly radius chine, 23ft
wl.
lined with foam and covered with varnished matchwood.
The hull 6mm ply, or 9mm on stringers and frames,depending on final
deciding factors, 6 mm ply 400 gm polyester and epoxy weave and finish ? .
9mm ply and single 125 gm weave with epoxy and finish epoxy gel ? paint ?.
Carl.