EN 1279: Glass in Buildings - Insulating Glass Units, has finally been posted in the Official Journal,. This means that, from March 2006, IGU manufacturers will be able to CE mark their units and by March 2007, all units must comply with the Construction Products Directive (CPD). The requirements for CE marking, as set out in EN 1279 part 5 include: Test evidence - EN 1279 Part 2 for air filled units and Part 3 where units are gas filled from a recognised test laboratory; also Part 4 for sealants (often obtainable from sealant suppliers); and Part 6 audit testing (UV fogging, short-term climate test). Factory production control - documentation for a factory production control system that meets the requirements of Part 6 and a manufacturing system description that meets the requirements of Part 1.