History

On 17th of August 1973 Gerhard Rosenberg started the development of his underfloor-heating system in the basement of his one-family-house.

Founder of the company G. Rosenberg
1973 Garage and Basement
1974 converted barn, Ennest
1975 Uconverted stable, Attendorn
Industrial area of Biggen about 1950
1978 First factory building
1980 First extrusion line
1981 First Fusiotherm® fittings
1985 Extension of the location
1990 The headquater
1991 Pipe production with 6 extrusion lines
1992 Completition of the branch in Radeberg/Saxony
1994 Training centre and tool manufacture, Attendorn
1995 aquatherm Metall
1998 aquatherm branch Carrara/Italy
1998 Pipe store Carrara/Italy