[Alberg30] When to use polyester and not

[greg]

I thought it would be you that would have the answer. I remember you explaining the
pros and cons a few years back when you were doing decks. Thanks George.

kindest regards- Greg

George Dinwiddie wrote:

> Greg,
>
> I believe that Gougeon Brothers only makes epoxy.  I use Evercoat Boat
> Yard polyester resin.  It's cheap and works just fine.  For a finish
> coat, painting the resin with PVA causes it to cure all the way to the
> surface.  Polyester doesn't have the adhesive power of epoxy, so you
> always have to rough up the surface if you're going on top of resin
> that's fully cured.  The book This Old Boat (see
> http://www.alberg30.org/store/Amazon.html) has a good introduction for
> working with polyester.
>
> Polyester has some advantages over epoxy.  It stands up to UV.  It's
> cheaper.  It's more forgiving of catalyst mixing errors.  Epoxy, on the
> other hand, is adhesive and more waterproof.
>
>   - George
>
> greg wrote:
> > I am about to do some glass work and have always used the West Sys. I have
> > wanted to try the polyester resins but can't find any dos and don'ts  regarding
> > its use with existing or original construction. Any pointers.
> >
> > Kindest Regards- Greg
> --
>   ----------------------------------------------------------------------
>    Hope your road is a long one.                        George Dinwiddie
>    May there be many summer mornings when,       gdinwiddie at alberg30.org
>    with what pleasure, what joy,                 http://www.Alberg30.org
>    you enter harbors you're seeing for the first time;
>                                             from 'Ithaka' by C.P. Cavafy
>   ----------------------------------------------------------------------
>
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