Argon filling windows?
Has any one tried filling windows that came from the factory filled with air or nitrogen and replacing it with argon?
I already have the equipment, argon and a purge regulator for back purging stainless steel pipe I weld. So it would cost almost nothing for me to do.
The only problem I see is sealing the fill holes which would come in from the side good enough so the argon can't get out.
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