Architectural · A-E4RT2

Storefront Sill at Concrete Terrace Slab

Materials

Elements

Storefronts Floors / Slabs Waterproofing / Flashing Site / Paving

About this detail

A two-and-a-half-inch by six-inch front-glazed aluminum-framed storefront system with a three-part PVDF finish bears on a stepped structural concrete slab with a concrete topping slab. Shims are placed as needed beneath the framing members. An aluminum-faced self-adhered flashing, designated as WP-10, laps over a termination bar at the base of the storefront. A minimum twenty-two gauge aluminum flashing with a three-part PVDF finish matching the storefront mullions protects the transition. A hot fluid-applied rubberized asphalt waterproofing membrane with a drainage course and protection sheet, designated as WP-7, runs continuously up the face of the curb. Backer rod and sealant are installed at the storefront joint and at the expansion gap over a compressible fill between the slab step and the exterior paving.

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