FESI has established successfully operating working groups in which experts and specialists from FESI member associations meet and work together on different projects and insulation topics. In the past years several Documents that are produced can be found here under the menu options.

FESI has currently three formal commissions:

• TTC: Thermal Technical Commission – Chair: Gabriel Boncalo
• RTC: Recruitment & Training Commission – Chair: Hans Koole
• AC: Acoustic Commission – Chair: vacancy