This architectural detail shows a pre-finished aluminum snap-on mullion closure piece installed at a curtain wall or storefront framing junction. The assembly features a removable insulated shadow box typical at garage locations unless noted otherwise. Fasteners are concealed to maintain a clean exterior appearance, and the system is designated as material E-MTL-01.
08 4400 REMOVABLE INSULATED SHADOW BOX; ALL GARAGE LOCATIONS TYP. U.N.O. NO VISIBLE FASTENERS 08 4400 PRE-FINISHED ALUMINUM, E-MTL-01 SNAP-ON MULLION CLOSURE PIECE NO VISIBLE FASTENERS SNAP-ON MULLION CLOSURE PIECE
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