Architectural · A-GG4YT

Storefront Sill Detail

Materials

Elements

Storefronts Floors / Slabs Waterproofing / Flashing

About this detail

This storefront sill assembly mounts onto a concrete floor slab with adjustable shims beneath the aluminum mullion system. A minimum twenty-four gauge stainless steel sheet metal flashing is set in a bed of weather barrier sealant over a continuous waterproofing membrane. Backer rods and minimum half-inch silicone sealants seal both sides of the joint, complemented by an elastomeric joint sealer and a half-inch asphaltic strip isolating the concrete walkway. Tempered glazing is glazed directly into the mullion frame above.

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