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Jim

Wrote in message:
On Friday, 20 May 2016 12:47:16 UTC+1, Mark Allread wrote:
On Fri, 20 May 2016 03:45:40 -0700, tabbypurr wrote:

Unsealed DG mists because the inner space is exposed to the same water
vapour level as indoors, but the temp is lower. Expose that space to the
lower outdoor water vapour levels and it simply does not mist. External
glazing does the latter, internal glazing the former.

My externally glazed units has one that is now misting up.

Is water running into the frame or something?

NT

And draining out through the external drainage slots put there on
purpose during manufacture...
--
Jim K

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