Product Info: Product Presentations Product Literature Locate Distributors About McKeon Fire & Smoke Rated Doors and Shutters with emergency egress: Vertical Coiling Vertical Acting Side Coiling Side Acting Accordion Doors without emergency egress: Horizontal Shutters Side Coiling Overhead Coiling Insulated Acoustical Counter Shutters The Retrofit Option for Rolling Fire Doors McKeon has UL Classification and FM Approval to retrofit most existing rolling fire doors, regardless of original manufacturer... MORE INFORMATION Non Fire-Rated Service Doors & Grilles Self-Opening Vertical Self-Opening, Side Coil Side Coil Doors & Grilles Service Doors Perforated Doors Insulated Doors Hurricane Doors Security Grilles Counter Shutters Horizontal Coiling Doors Side Coiling Fire Door Systems Auto Resetting Model S4000 Overview • Photos • S4000 Series Downloads (PDF, Specs & Details - DWG - CAD files)   Side-Coiling S4000 used at ornamental stairs where egress is not a requirement.   S4000 used at an application requirement for occupancy separation   S4000s used in applications where corridor separation is required.   S4000 used where area separation requirements exist.   S4000 Fully open   S4000 Fully closed     S4000 Bi-Parting