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Broken Panels System - Page 5

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Posted by wmbjk on June 24, 2005, 3:23 pm
On Fri, 24 Jun 2005 14:04:50 GMT, "Mark Norton"

Regular polyester resin (what you'll find for boat or car repairs)
isn't meant to take the heat. It will definitely soften on a hot day,
and in that condition I doubt it would maintain a seal over time. It's
also supposed to be covered in gelcoat or paint for UV protection,
otherwise it will break down. Clear epoxy *might* be better. You could
run some simple experiments. Spray paint the backside of a piece of
glass black. Run some narrow beads of different clear sealants on the
unpainted side, and leave it in the sun for a few weeks. See which
brands hold up the best. My guess is that most any clear sealant will
appear to work, at least for some time.

You can buy auto glass crack repair kits as well. IIRC they're about
$, and each kit might seal about 10 feet of cracks. The material is
clear and thin, and it comes in a syringe/suction-cup applicator
designed to draw in the sealant. It probably won't work that way on
long cracks, but you might give it try anyway.


Posted by Pokee Joe on June 27, 2005, 1:42 am

That price does seem a little excessive. My mom used to use
casting resin for table tops and I know she didn't pay much for
it, by the quart. One thing you need to watch out for with other
types of resin is shrinkage.


Posted by John P Bengi on June 27, 2005, 2:41 am
 ewwww... the shrinkage factor is a bitch!

Posted by George Ghio on July 8, 2005, 10:44 pm

Mark Norton wrote:

Yeah, never shop at hobby shops. Look at the product in the shop and
make a note of the manufacturer and contact them.

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