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Denis Marier
 
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Default epoxy does so pass water

Six years ago my daughter build a Shellback sailboat.
All year round her boat is stored in from of her house on the edge of the
LaHave river in Nova Scotia. During the winter its lay outside not covered.
Sometime its full of snow and sometime its covered with snow and ice. I
told her that she should cover her boat for better winter protection. She
replied maybe I should.
I look at her boat this last spring and its looks in pristine condition.
Only the varnish had faded and needed to be done yearly but the paint is
immaculate.
The construction method she used is as follows"
1) Marine grade plywood saturated with thin coast of epoxy before cutting to
size.
2) All cut out parts impregnated with epoxy before assembly.
3) 3 coats of epoxy after final assembly.
4) 3 coats of premium exterior house latex paint



"Jacques Mertens" wrote in message
.. .
Everybody knows that epoxy is bad, very bad but plain wood is much better.
I heard that story of a guy using a blow torch on his stitch and glue boat
and the thing caught fire!
"Accept the claims of epoxy purveyors and promoters at your peril. "

The older the boat building technique the better.
Do not trust resin or fiberglass, these are very dangerous products.
Worms will eat polyester, glass will rot. You'll get cancer just from
looking at resin
and anyway, it would be a sin to make boat building easy and eliminate
maintenance.

Only a old fashioned wooden kayak would have resisted that treatment.
No?
--
Jacques
http://www.bateau.com

"William R. Watt" wrote in message
...
The owner of an epoxy sheathed plywood (okume marine) kayak was showing

me
today the deterioration in the surface ply on the inside of the hull.

The
builder had let the boat sit outside over the winter mistakenly assuming
epoxy was impervious to H2O. Snow accumulated in the cockpit, melted,
froze, melted again, and by late spring there was 6" of melt water

inside
the hull. The epoxy sheathing on the inside of the hull did not stop the
water from getting at the plywood and starting rot. Accept the claims of
epoxy purveyors and promoters at your peril.
--


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