Designed for any curtainwall or storefront, RetroWAL™ is installed on inside of existing glass in 15 min, increasing thermal performance of single pane windows in commercial buildings. Basic system raises center of glass R-value from R-1 up to R-3. Air infiltration is minimized and solar heat gain is controlled by low-e coating, factory applied thermal film, or by using between glass blinds. For tenant comfort, RetroWAL eliminates drafts and glare from sun while minimizing street noise.
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