Unitized Curtain Wall System

Unitized curtain wall systems consist of large glass units that are manufactured and glazed in the factory and then sent to the construction site. Once on site, the unitized curtain walls can be hoisted to anchors attached to the building, with only one anchor per mullion to the face or top of the slab. Interlocking unitized curtain walls frame members are weatherproofed to seal against each other horizontally and vertically. This accommodates thermal expansion and contraction, differential motion between floors, concrete creep, column shortening, and seismic motion. Most unitized curtain wall systems are installed around each floor in a sequential fashion, moving from the bottom to the top of the building.


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