Format in 3 mm-thick methacrylate for photoluminescent sign It has adhesive blocks that enable it to be mounted on a wall separating it 3 mm from the same. Designed according to the UNE 23033 standard for signage for fire protection installations with maximum viewing distance of maximum 10 metres, suitable for compliance with the CTE in its DB-SI core document. Photoluminescent emergency sign complies with the UNE 23035 standards.