Cargo Fire Damper Sign

Cargo Fire Damper Sign – FS0096

This cargo fire damper sign shows the standard IMO fire control symbol for a fire damper, a wavy-line duct section containing a circular damper blade with a fusible-link pull cable, marked with the letter “C” to identify a damper serving cargo spaces. It follows the standard IMO fire control symbol convention used on fire control plans and at the equipment itself, so the symbol is recognisable to crew regardless of language.

Where this cargo fire damper sign is used

A fire damper is fitted inside ventilation ductwork and closes automatically, or can be closed manually via the pull cable shown in the symbol, to stop fire and smoke travelling from one space to another through the duct. This sign marks a fire damper serving cargo spaces specifically, as opposed to the lettered versions used where multiple dampers at one location each serve a different area, such as the accommodation fire damper sign or the machinery fire damper sign.

This cargo fire damper sign is fixed directly at or beside the damper access point, typically on a bulkhead near the cargo hold ventilation trunk, on a fire control plan, or at another position that lets crew and surveyors quickly confirm which damper serves which space. Cargo spaces can hold combustible or hazardous goods, so confirming the damper protecting the cargo space boundary is intact and correctly identified is a priority during any inspection.

Closing a fire damper during a fire cuts off one of the main paths smoke and flame can travel through a vessel, since ventilation ductwork often runs between multiple fire zones. Fire dampers work alongside fire doors and other boundary closures to maintain the integrity of a fire zone, so a duct left open at an unmarked or misidentified damper can undermine the entire zone’s fire rating, particularly around a cargo space where cargo fires can be difficult to access directly.

This sign is checked during SOLAS fire safety surveys, where the surveyor confirms that fire dampers are clearly marked, correctly labelled for the space they serve, and that access panels remain unobstructed. Correct labelling of fire dampers is a standard item reviewed during these inspections, since a mislabelled or missing sign can slow down both routine testing and an actual emergency response.

New crew should be shown the location and correct manual operation of every fire damper on board during safety familiarisation and fire drills, since hesitating to find or identify the right damper can allow smoke to spread further through the ductwork before it is finally closed. Clear, consistent labelling like this cargo fire damper sign removes that hesitation.

Consistent signage also matters during a routine walk-through inspection, since a damper access point without a clear label can slow down an auditor trying to confirm the vessel’s fire control plan matches what is actually fitted on board. Fitting this cargo fire damper sign at every relevant damper keeps the fire control plan easy to verify against the equipment in place.

Fire dampers should be tested regularly as part of the vessel’s routine fire safety equipment checks, since a damper that fails to close during an actual emergency defeats its purpose. Marking each damper clearly with this cargo fire damper sign also makes it easier for the crew member responsible for testing to locate every damper on board without needing to consult a separate equipment list.

Technical specifications:
SKU: FS0096
IMPA: 33.6786
ISSA: 47.567.86
Compliant: IMO Resolution A.1116(30)

• Fire-retardant marine-grade material
• Available in non-glow vinyl, general purpose glow, or DNV Wheelmark certified Class C / Class D photoluminescent film
• Waterproof and saltwater resistant
• Glossy wipe-clean finish
• Peel-and-stick installation, no tools or drilling

Supplied ready to apply directly at the damper access point. Available in the standard size shown above.

This sign is produced to IMO fire control symbol specifications for consistent recognition across international fleets. Need a different size or a custom layout? Contact us for a quote.