Résumé
Specifies the co-ordinating sizes for doorsets of all materials to be used in buildings, and which will fill co-ordinating spaces in dimensionally co-ordinated buildings. Is based on the principles of modular co-ordination, and is in accordance with the ISO documents ISO 1006, ISO 1040, ISO 1789, ISO/R 1790, ISO 1791, ISO 1804 and ISO 2848.