A diagram showing the correct way to size the border on ISO 7010 square fire safety signs. ISO Standard states that the border ("A") of the sign should be between 0.025 to 0.050mm of the "As" dimension of the sign. Additionally, 50% of the sign must be RAL 3001 'Signal Red'.
Drawn according to ISO 7010 Graphical symbols — Safety colours and safety signs — Registered safety signs.
Drawn by User:The Navigators according to ISO Standards.