This assembly features an aluminum storefront mullion positioned adjacent to a concrete tilt-up panel. A 3/8-inch joint between the mullion and the concrete panel is filled with sealant over a backer rod. The glazing is installed within the aluminum mullion section, with specific glass requirements and clearances governed by the 2016 California Building Code Section 2406. The concrete panel is sized per structural drawings, and the glazing configuration is determined by the architectural elevations and specifications.
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