Green Products > Gerkin Rhino Windows
Originally designed for commercial applications, Gerkin Rhino aluminum-framed windows offer superior resistance to air infiltration (.01 for fixed frames, .1 for sliders, as opposed to .3 or .4 ratings for other performing residential windows).
The 2 3/8” frames are thermally broken for improved thermal efficiency, and available in custom sizes and shapes to fit openings suited to modern home designs.
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