This Door Must Be Kept Closed Sign (4.050)

This Door Must Be Kept Closed Sign (4.050)
Complies with IMO Resolution A.1116(30) — Safety and Shipboard Instructional Signs, as required by ISO 24409 and the Life-Saving Appliance Code.
This IMO sign instructs that a specific door must remain closed at all times to maintain fire integrity, watertightness, or environmental control onboard.

Size: 150x150mm
Material: Photoluminescent, self-adhesive rigid vinyl
Application: Applied on fire doors, watertight bulkhead doors, or environmental containment areas to enforce critical safety protocols

✅ Reinforces safety procedures for critical shipboard doors
✅ IMO and ISO-compliant photoluminescent safety signage