Glass Front Doors "Glass That Performs" |
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These entrance doors incorporate high performance insulating glass 3/16" thick, with a special thermal edge spacer and heat mirror film suspended between the two panes. The film reduces solar gain in the summer and heat loss in the winter, cutting energy consumption. Krypton gas, denser than air, has been added to the dead air space. This glass has an R-value of 9.1, more than twice standard low-e windows and doors, and almost 4 times traditional double pane glass.
› Alpen Energy Group
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The Alliance Center is open for self-guided tours M-F, 9-5:00 p.m.
› download brochure (PDF).
Guided Tours are offered at 2 pm on the 1st Friday of each month. Meet in the first floor lobby.
Group tours can be arranged by appointment. Please contact us for more information.
