to answer my question.
I am going to purchasing some Spar Varnish to use on my outside
rocks, and especially the outside pavers that I sell.
Happy Happy Rockin! Betty \0/
--- In rockpainting@yahoogroups.com, leighsa555 <no_reply@...> wrote:
>
>
> UFIXX Glaze and Seal is resin based and is a penetrating acrylic
> sealer which forms a glossy, colorless and non-yellowing hard
protective
> surface barrier. It's active ingredients are Petroleum distillates
and
> tough glossy polymer. That's all it says. Sounds good..but don't
think
> we can get it in the States.
>
> With Spar sealers....most manufacturers formulate their Spar Varnish
> with resin and Tung Oil. The larger the portion of Tung Oil, the
better
> quality of Spar Varnish. So brand name might be important as some
might
> be inferior. They state that they yellows less over time than other
> oils, therefore a varnish that contains tung oil will have a
tendency to
> yellow less over time....at least over a Polyurethane
> <http://toolsmet.com/fasteners/minwaxcompany-we.jpg> Polyurethane
> varnishes are not light and UV resistant, and therefore will turn
> "yellow" rather quickly. They can also have adhesion problems with
> themselves and other finishes.. Polyurethane is classified as an oil
> based varnish. Most oil based varnishes are amber (yellowish) in
color
> to begin with. This is because the oils used to make the varnish are
> amber. I used polyurethane on a wooden picnic beach I put in my
back
> yard and it hasn't lasted a yr. The gallon cost arond $25.00 (home
> depot)
>
> I have exclusively used krylon spray for my rocks. I'm not a fan
of
> using it for exterior stones. My customers don't seem too enthused
to
> have to bring them in and out and have to invest in krylon to reseal
> yearly. I haven't been to diligent with my own outside rocks and
> those are all faded out. I've even used krylon triple-thick with no
> improvement.
>
> Leighsa
>
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