The head condition where curtain wall CW1 interfaces with exterior wall EW-3 and soffit EW-2 consists of a one-eighth-inch formed brake metal head flashing finished to match the perimeter mullion, protected by primary and secondary weather sealants. A suspended acoustic ceiling system ties into the adjacent wall assembly using a standard wall angle attached to a six-inch gypsum board bulkhead. Clearances and dimensional offsets include a three-inch minimum vertical space and precise horizontal dimensions for framing alignment.
6" 5/8" 5" 1 7/8" 1/4" HEAD FLASHING SECONDARY WEATHER SEALANT PRIMARY SEALANT JAMB BEYOND EW-3 BOTTOM OF EW-2 SOFFIT BEYOND CW1 SCHEDULED CEILING. RE: REFLECTED CEILING PLAN 1/8" FORMED BRAKE METAL, FINISHED TO MATCH PERIMETER MULLION. 6" MIN. 3" 1/2" 5/8" GYPSUM BOARD SUSPENSION SYSTEM ACT WALL ANGLE AT ATTACHED SIDE
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