Architectural · A-XBYSA

Storefront Sill at Stabilized Decomposed Granite and Stepped Slab

Materials

Elements

Storefronts Floors / Slabs Waterproofing / Flashing Site / Paving

About this detail

A 2.5-inch by 6-inch front-glazed aluminum-framed storefront system sits atop a stepped structural concrete slab with shims as needed and a backer rod and sealant joint at the exterior transition. An aluminum-faced self-adhered flashing labeled WP-10 laps over a termination bar to tie the interior finish floor to the exterior wall assembly. Minimum 22-gauge aluminum flashing with a 3-part PVDF finish matching the storefront mullions protects the threshold above the exterior paving. Stabilized decomposed granite abuts the exterior curb, which is wrapped continuously with WP-7 hot fluid-applied rubberized asphalt waterproofing membrane complete with a drainage course and protection sheet.

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