Keep Door Closed Sign - Safety Warning & Compliance Notice #59092 (License: Personal Use)

This high-contrast warning sign features a bold blue "NOTICE" header, a red prohibition circle over an open door icon, and a black footer with white text stating "Keep door closed." Designed for maximum visibility and compliance, it adheres to OSHA and ISO safety signage standards. Ideal for fire doors, restricted areas, and HVAC-controlled zones where uncontrolled airflow or unauthorized entry must be prevented.

Used in workplaces, hospitals, schools, and public buildings to enforce fire safety protocols, maintain environmental controls, and restrict access. Matches user intent for safety compliance, facility management, and regulatory adherence.