Tru Vue Conservation Clear Glass wrong side facing the art

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happycamper

CGF II, Certified Grumble Framer Level 2
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Jul 27, 2004
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calgary, alberta
Sometimes this happens, fortunately not frequently....someone trims the glass details off and the assembly staff do not know what side faces the art. Is there some way of determining this by looking at the glass?....what are there consequences of putting the glass "wrong side out / wrong side facing the art?
 
The optical coating, which should face the art (facing inside) is scratchable (use a blade to scratch a small, tiny area; if it scratches, then it's the one with the coating).

Consequences: Optical coating not facing the art will make Con Clear as protective as regular glass!
 
...and so scratchably soft.
 
I have gone to the "truVue" glass cleaner for all glass and softer cloths for the Conservation products.....suggestions from the Grumble. thank you
 
Paul N said:
Consequences: Optical coating not facing the art will make Con Clear as protective as regular glass!
Click to expand...

Not so much. The coating will still filter the UV just as well, but it will be vulnerable to damage. So I suppose if every bit of it got scratched off it would be a problem, but that's not likely.
 
Nice thing about putting UV glass in backwards is that you don't have to worry about the art scratching the glass.

:p

Good technique to remember if you ever do a shadowbox with a live cat in it ...but don't forget to address the "breathability" issue.
 
Con glass

I believe there are two ways of telling which side of the glass goes up. First, the side with the coating is softer, and this goes against the picture. If you scratch the surface of the glass (at the edge, where it will be covered by the frame) you'll find one side feels soft and the blade digs in whereas the other, the side that faces out, is slick and unaffected by the blade. The other thing is that the coating leaves a tiny ripple pattern on the surface, which is hard to see but if you focus on the surface of the glass you can actually see with your naked eye (usually) a ripple pattern on the inside surface of the glass. This is the only way I can determine if conservation glass was used in a frame if it doesn't have a sticker on the back.
 
Paul N said:
The optical coating, which should face the art (facing inside) is scratchable (use a blade to scratch a small, tiny area; if it scratches, then it's the one with the coating).

Consequences: Optical coating not facing the art will make Con Clear as protective as regular glass!
Click to expand...

Paul N is right about; a tiny scratch with the cornerpoint of a razor blade, in a spot covered by the frame lip, is an easy way to determine which side is coated.

Conservation Clear is equally protective whether the UV blocking coating is inside or out. It should be placed on the inside because it could be scratched or abraded by routine cleaning, but it works either way.
 
CB Art & Framing said:
I think True Vue just started putting the film on the outside. Is this true?
Click to expand...

With CC - you can decide which is the outside - with CRC you cannot.

I think they just screwed up the wording, which, for a month or so, for me, said "Opposite side faces artwork, score opposite side"

Another way to tell the coated side BTW is that water or glass cleaner will bead more on it than on the uncoated side.
 
Dave said:
Nice thing about putting UV glass in backwards is that you don't have to worry about the art scratching the glass.

:p

Good technique to remember if you ever do a shadowbox with a live cat in it ...but don't forget to address the "breathability" issue.
Click to expand...
HAHAHA LMAO.
 
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