Architectural · A-P498P

Exterior Detail - Curtain Wall Head

Materials

Steel Cold-formed Steel Timber / Wood Aluminum Metal (misc.)Gypsum / Drywall

Elements

Beams Walls Windows Curtain Walls Storefronts Ceilings Bracing Waterproofing / Flashing Insulation Connections / Plates Roof / Floor Openings

Connections

Bracing Connection

About this detail

An aluminum-framed window and curtain wall system intersects with a cold-formed metal stud framed header. A deflection header backs up the wall assembly, which receives continuous rigid insulation and five-eighths-inch exterior gypsum sheathing on the exterior side. Waterproofing is provided by WP-10 aluminum-faced self-adhered flashing wrapped fully into the rough opening, layered with a minimum 22-gauge aluminum flashing finished to match the curtain wall mullions with a three-part PVDF coating. A backer rod and sealant joint seals the transition to the waterproofing membrane. At the interior, a metal stud framed header includes kickers spaced four feet on center, paired with an aluminum plate for future tenant installation of window shades finished to match storefront mullions. The interior and exterior finished ceilings feature suspended ceiling systems supporting eight-inch extruded aluminum soffit panels on the exterior and wood soffit panels on the interior.

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