A blackout curtain roll is secured near the roof structure and exterior wall with a bolt and metal ledger, maintaining a minimum required clearance of twelve inches. An exterior wall panel aligns with the roof structure above a dock seal at the base. Vertical lift breakaway configurations apply at docks and drive-ins.
VERTICAL LIFT (BREAKAWAY) @ DOCKS AND DRIVE-INS USE MIN. REQUIRED CLEARANCE 12± ROOF STRUCTURE EXTERIOR PANEL, SEE WALL TYPES DOCK SEAL VERTICAL LIFT (BREAKAWAY) @ DOCKS AND DRIVE-INS USE MIN. REQUIRED CLEARANCE 12± ROOF STRUCTURE EXTERIOR PANEL, SEE WALL TYPES DOCK SEAL BLACKOUT CURTAIN ROLL BOLT AND METAL LEDGER
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