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Firefighter tape is used to isolate a particular area during or after a fire to keep the public away from fire-related risks (e.g., smoke inhalation, airborne particulate matter, and damaged structures).
OSHA and ANSI provide precise specification for barricade tape colors.

These are found in OSHA regulations 1910.22 and 1920.144 and ANSI Z535.5-2007, Safety Tags and Barricade Tapes (for Temporary Hazards).

However, the dimension, thickness, and materials of the barricade tape are left to the discretion of the manufacturer.