Re: [MedievalSawdust] hmmmm ( cooler chest ) epoxy digression
- Greetings from Malcolm macGregor,
--- Dave Ordway <dabugler@...> wrote:
><snip>The epoxy is structural, while spar varnish is just a
> I would love to hear about the finishing of this
> interior. I like the idea of using a plywood veneer
> but how could it be protected from water damage? My
> initial thoughts would be a marine grade poly. I'm
> not a boat builder but I do know that they treat
> plywood surfaces with some kind of two part epoxy
> that makes them waterproof. Would this be the way
> to go or is Spar Varnish acceptable? I like the
> idea of a cooler chest that looks like wood on the
> inside as well as out.
coating. The (IIRC, remember) thin plywood interior
functions as the stiffening reinforcement of the
epoxy, instead of the fiberglass, carbon-fiber, or
anything else one might want to use to make an
epoxy/composite structure. Epoxy coated stuff that is
outside in the sun is supposed to get UV shielding
varnish on top, if there is no UV shield mixed into
the epoxy itself.
Cured epoxy is also supposed to be really inert. I
have read commentary on making wood-and-epoxy
composite water tanks for boats -- though without any
reference to testing data on whether anything leaches
out of the cured epoxy over the long term. I have no
serious concerns with an epoxy ice chest interior.
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