Page 251 - Dubai Universal Design Code

14.11. High embossment

1. Tactile signage should be used, letters, numbers, symbols and pictographs should
be raised at least 0.8 mm and should be between 16 mm and 50 mm high. If a tactile
sign is mounted on a wall, its center should be at a height of 1500 mm ±25 mm
above the floor.

2. Long messages should be avoided for reading of letters and symbols in high
embossment.

3. It should be used for rooms or spaces identification signs. These signs preferably
represent a single icon or character; for example, the number of an elevator floor,
restrooms icon, etc.

4. High embossment letters shall be in upper case.

5. The tactile signs must be in high embossment and not engraved.

6. Symbol height shall not be less than 30 mm. The embossment thickness will be of
between 2 mm and 5 mm for letters and of 2 mm for symbols.

14.12. Braille

Although a minority of people with visual impairments use Braille, it is a good design
practice to include this form of writing in signage following the criteria of this Code.

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