This storefront sill assembly integrates with a protected roof deck featuring pavers on pedestals over insulation and a roof vapor barrier. A metal sill flashing laps over liquid-applied roofing and a two-inch minimum vertical leg with a backing L-angle. Rod and sealant-four fill the joint at the exterior transition, while sealant-four with an eighth-inch maximum gap seals the interior interface. Framing is provided per architectural specifications, and the roof membrane installation, transition, and termination follow manufacturer recommendations.
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