"Fly-by-Night CC" wrote in message
news
In article ,
"David Harper" wrote:

You might be better off having a local glass company make an insulated
glass
unit .

3/16" or 1/4" tempered glass ( outside )
1/4" air space
stained glass
1/4" air space
3/16" or 1/4" tempered glass ( outside )


Then this can be glazed in the window custom frame

I'm not certain about this, but you might have a problem with heat
affecting the stained glass if it's installed in a sealed sandwich. Too
much heat can soften the lead solder joints and cause the stained glass
panel to sag.


well, no. there's lots of these units in front doors for example. solder
used in stained glass melts in the 650F range. it won't soften the joints.
it may soften the lead came itself, which is almost pure lead and melts in
the 450F range, but not likely. what is more likely is that the cement used
in the panel will soften, but if it's supported between 2 sheets of glass,
where's it gonna sag to?

--
Owen Lowe and his Fly-by-Night Copper Company
____

"Sure we'll have fascism in America, but it'll come disguised
as 100% Americanism." -- Huey P. Long