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Unitized Structural Glazing System A unitized curtain wall system is one in which the framing members are pre assembled in a shop facility into units which are typically one lite wide and one story tall.
Once the structure has been framed or masonry walls have been erected, the building cladding can be installed to the exterior surfaces. First a moisture or vapor barrier is installed to protect against moisture penetration and minimize the risk of rot or mold.asonry building cladding is often installed using a curtain wall system. A curtain wall is self-supporting, and is separated from the structure by several inches to create an air cavity between the building and the exterior cladding.