Architectural · A-72KSV

Curtain Wall Head and Metal Flashing Transition Detail

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The head condition of a curtain wall interfaces with exterior wall construction, incorporating multiple layers of self-adhered flashing membranes for water-resistive barrier continuity. A continuous perforated metal cleat secures the metal flashing, which features a weep screed held back one-quarter inch from the face of the substrate. An insect screen is integrated typically above the head member. Sealant is applied over the exposed leading edge of the polyester self-adhered membrane. Flashing laps are detailed with minimum three-inch dimensions extending above and over adjacent weather-resistive barriers.

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