Jim Rhodes, basking in the reflection of my post, noted:
>Re: Wait! The ripple is there for a purpose. The glass was installed to
>protect the stained glass from the ravages of weather. and...
>I would leave the ripple glass and concentrate on making it more airtight.
<snip>
>I agree, Wait! <snipperoo> What I do know is that to trap
>air between an outer and an inner plane can be deadly to the art glass
>system, without due consideration to temperature build-up, expansion and
>movement (expecially the daily and seasonal cyclical movements, most
>especially in temperature responsive lead), convection currents,
>condensation, weeping, vent-in, vent-out, etc. etc. Think it through.
>Exposing the stained glass can be a mistake, but the worst thing you can
>do, in my opinion, is to seal a piece of heat building,
>bound-to-fog-eventually sheet plastic on the outside.
And this, from the ever observant Twybil:
>Please not too airtight - the heat build-up will result in distortion of the
>lead cames of the stained glass. Be careful.
Yeah, I regretted that not-thought-through statement right after sending
it, but had no chance to correct myself 'till now as I was dashing to and
fro. What I _really_ meant to say was "concentrate on resolving the
condensation problem."
Vandalism is a good enough reason for me to try to retain the ripple glass.
Carefully chosing my signature lines, I remain
_________________________________________________
Dan Becker, Exec. Dir., "What's this? Fan mail
Raleigh Historic Districts Comm. from some flounder?"
[log in to unmask] --Bullwinkle J. Moose
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