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Insulating Glass - Southwall Technologies - Facility Management Product Release


Southwall Technologies
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Heat Mirror Quad-Cavity R20 insulating glass (IG) achieves 0.05 center of glass U-factor (R20 insulating value) at the same weight as standard dual-pane IG, when configured in a 1-3/4-inch overall IG unit thickness with Krypton gas fill and low-emissivity coatings on the second and 10th glass surfaces. Three lightweight Heat Mirror films are suspended within the IG unit, creating four super-insulating cavities.


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posted: 12/5/2011