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Unfortunately most of the people
> who have used polyester did it in attempt to save a
> wooden boat or to try to waterproof it. And they didn't
> wait enough to dry it first. That is why we use to say
> that 100% of the boats done with polyester are
> delaminating. Now I will say 90%! Pierre
Actually most of them were done improperly or done to
boats that were already doomed.
I watched an 80ft. wooden fishing boat get glassed last
summer in BC and it was impressive. They did it because the boat
works off of reefs and really nasty shallow areas.
They took a working fishing boat in good condition.
Sanded it to bare wood with belt sanders. Pulled all caulking
and then coated the wood with thinned poly resin.
They filled the gaps with poly filler, then put about 1/2"
of glass on the entire hull. After it cured, they used lag bolts
with big washers and lagged the glass layer to the wooden hull
every 12". After that, the glass was built up to 3/4" total at the rail
and it tapered to 1.5" thick at the keel area. They used 35-55 gallon
drums of resin. They added over 30,000 lbs of material to the hull.
The trick to avoiding rot it to make sure it has adequate ventilation
on the INSIDE, it will start rotting. This job was done by a company
that specializes in this procedure.
M.Mech
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