Jonathan Ganz wrote:
We're in the process of having two windows redone. The person who's
going to do it for us claims that the proper sealant is quite toxic.. some
"professional grade" product. I believe the windows are some sort of
polycarbonate, but I'm not certain.

You should find out for sure what it is. A professional would not be
concerned with keeping a secret about what materials he used on a
customer's boat. The best professionals I've worked with would go out of
their way to make sure the customer knows what materials are used and
how to best care for them.

... Do you have any info about the
toxicity of these type of sealants?

There is such a wide variety, it's impossible to say. For example, 5200
is a butyl isocyanate, so it's not exactly healthy stuff to eat or
inhale. But it's not in the same class as Agent Orange or enriched
plutonium...

What you want is the MSDS (material safety data sheet) for the stuff
being used. They are easily googled: here is the one for 5200

http://www.tapplastics.com/uploads/p...00%20White.pdf

... What's there now is ugly and leaks,
so it's got to get redone.

Your boat *leaks*??? Get out!!

Fresh Breezes- Doug King