Keep Door Closed at All Times - Safety Signage for Compliance & Security #191125 (License: Personal Use)

This rectangular safety sign features a bold blue header with “NOTICE” in white uppercase letters, followed by black text stating “KEEP DOOR CLOSED AT ALL TIMES” on a white background. To the right, a red prohibition circle with a diagonal slash overlays a black door icon, visually reinforcing the instruction. The design follows OSHA and ANSI standards for high visibility and immediate comprehension.

Used in fire-rated corridors, server rooms, cleanrooms, hospitals, and industrial facilities where maintaining compartmentalization is critical for safety, air quality, or regulatory compliance; matches user intent for purchasing or installing standardized safety signage.