Co-operators General Insurance Company Loss Prevention Bulletins ROLLER TYPE FIRE DOORS LP032 (09/03) ROLLER FIRE DOORS PURPOSE Roller type fire doors have similar Fire Resistance Characteristics to Vertical Personal doors and Sliding Vertical fire doors, except that they operate in an up and down roller type motion rather than a vertical motion. OPERATION Roll-down fire doors are most common in industrial facilities, where they remain open during operations, but are equipped with fusible links to allow the door to shut if a fire occurs. Once the fusible link is broken by heat, a release mechanism allows the roller door to close and seal off the opening, Whether a single roller or a double roller door is installed on each side of the opening, fusible links, which are integrated are required to be installed on each side of the wall. FUSIBLE LINKS Fusible links should never be painted, nor should dust or debris be allowed to accumulate on them. A link should only be replaced with an identical fusible link. Any heat or smoke detectors connected to the release mechanism should be maintained according to the manufacturer's instructions. MAINTENANCE Roller type fire doors and all related equipment such as chains, rollers, tracks, gears and fusible links should be inspected yearly by a qualified contractor. The doors should be tagged with the date of service and a copy of the report should be forwarded to your insurance company. Routine maintenance checks should be conducted by trained company personnel to ensure that the door has not been damaged, obstructions have been removed, proper signage is in place and legible, and the door is operating and will fully close when activated. Records of all inspections, deficiencies, and corrective actions should be kept on file. Reference: NFPA 80 - Standard For Fire Doors and Fire Windows - 1999 Ed. *In this bulletin the reader is provided with information about loss control issues. The bulletin is not a substitute for a thorough loss prevention assessment. In those situations where there is a concern about issues raised in this bulletin the reader should seek professional advice. The Co-operators Group of Companies will not be responsible to the reader for any loss or damage which the reader may suffer as a consequence of having relied on this publication.
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