Since 1970 FESI is the independent European Federation representing the insulation contracting sector. FESI promotes insulation as one of the best, the most cost effective and sustainable manner to save energy. FESI represents the insulation associations from 16 European countries who's members are active in insulation for industry, commercial building sectors, ship insulation, soundproofing, fire protection etc.

FESI represents more than 3.300 insulation contracting companies with around 47.500 employees.