Roca began its activity in 1917, manufacturing cast iron radiators for domestic heating in its factory in Gavà (Barcelona). In addition to the first cast iron radiators, it complemented its catalogue with the production of boilers and in 1929 entered the bathroom sector with the manufacturing of baths.

Always aware of the changes in society related to the water culture, the main natural resource the company works with, in 1936 Roca faced the challenge of producing vitreous china and in 1954 started the manufacturing of faucets.