Space Protected By Inergen Sign

Space Protected By Inergen Sign – FS0136

This space protected by inergen sign shows the fire control symbol identifying a compartment protected by a fixed Inergen inert gas fire-extinguishing system. Inergen is a blend of nitrogen, argon and carbon dioxide that suppresses fire by reducing the oxygen concentration in the space without leaving residue, and this sign follows the standard fire control symbol convention used on fire control plans and at the compartment entrance itself, so it is recognisable to crew regardless of language.

Where this space protected by inergen sign is used

Machinery spaces, server and control rooms, and other enclosed compartments containing sensitive equipment are often protected by a fixed Inergen system, since the inert gas extinguishes fire without damaging electronics or leaving the corrosive residue associated with some other agents. This space protected by inergen sign is fitted at the entrance to warn crew that the atmosphere in the space becomes unsafe to breathe if the system discharges, and what that means for anyone inside or approaching at the time.

This sign is fixed directly at or beside every entrance to an inergen-protected space, as required by the vessel’s fire control plan, so crew are always warned before entering. If the fixed inergen system for that space is ever activated, anyone inside needs to evacuate immediately, and anyone approaching needs to know not to enter until the space has been ventilated and confirmed safe.

Every inergen-protected space on board should be marked the same way, so crew build a consistent expectation of what to look for regardless of which part of the vessel they are in. An entrance that is left unmarked gives no warning of the hazard, which is far more dangerous than a compartment clearly identified by this sign.

This sign is checked during SOLAS fire safety surveys, where the surveyor confirms that every inergen-protected space is clearly marked at its entrance, that the sign is visible and unobstructed, and that its position matches the vessel’s fire control plan. Correct labelling of these spaces is a standard item reviewed during these inspections, since a missing or obscured sign is a serious safety gap around a fixed gas flooding system.

New crew should be shown every space protected by inergen during safety familiarisation and fire drills, since understanding which compartments carry this risk without hesitation can be the difference between a safe evacuation and someone being caught in an oxygen-depleted compartment if the system activates. Clear, consistent labelling like this sign removes that hesitation.

Consistent signage also matters during a routine walk-through inspection, since an unmarked or poorly identified inergen-protected space can slow down an auditor trying to confirm the vessel’s fire control plan matches what is actually fitted on board. Fitting this space protected by inergen sign at every entrance keeps the fire control plan easy to verify against the equipment in place.

The fixed inergen system and its associated warning signage should be checked regularly as part of the vessel’s routine fire safety equipment checks, since a space protected by inergen that is not properly marked puts crew at risk of entering during or after a discharge. Keeping this sign in good condition also makes it easier for the crew member responsible for testing to confirm every protected space is accounted for, and it gives visiting port state control officers a quick, reliable way to check compliance during a routine inspection.

Technical specifications:
SKU: FS0136
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 compartment entrance. 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.

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