Insulated Fenestration Solves Problems with Failing Facades

Kalwall Window Replacements are a suitable solution for any facade that needs a facelift. Retrofits with Kalwall result in dramatic savings by stopping heat loss, reducing the use of electric lighting, eliminating the need for shades and decreasing solar heat gain.


Featherstone High School—a concrete-framed building constructed in 1958—was failing because of decay and ingress of water. Kalwall fully replaced two elevations, and the new facade allows floor-to-ceiling diffuse daylight to flood the interior while providing privacy for students and removing distractions. PHOTO: Alex Upton

Savings from retrofitting with Kalwall—a highly insulated light-transmitting fenestration system on the market—can exceed 400 percent versus standard glazing systems.

Example: A curtainwall at Featherstone High School was failing because of decay and ingress of water. Kalwall fully replaced two elevations, and the new facade allows floor-to-ceiling diffuse daylight to flood the interior while providing privacy for students and removing distractions. A unitized row of clerestory windows provides ventilation and limited views to the outside.

Time and money can be saved by using Kalwall Unitized Curtain Walls, which are assembled and glazed at the factory. Once delivered to the site, large units can be installed rapidly, allowing the building to be enclosed quickly with little interruption to building operation.

Kalwall’s high-performance window replacements are competitively priced, virtually maintenance-free and offer increased security compared to typical glass retrofits.

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