| Year |
Activity |
| 1850 |
the sale of chalk found at the area of the present TKK Srpenica |
| 1947 |
foundation of the company Kreda |
| 1958 |
the company starts producing mastic, using local chalk as a refill |
| 1963 |
beginning of the production of admixtures for concrete |
| 1973 |
building of a modern technological plant and the onset of the production of driers lacquers and points |
| 1975 |
TKK Chemical and chalk factory joint to Helios Domžale |
| 1977 |
the onset of the production of sealants |
| 1987 |
separation from Helios |
| 1990 |
TKK Srpenica as an independent stock company |
| 1992 |
the beginning of production of polyurethane foam |
| 1997 |
the start of a new line for the polyurethane foam production |
| 2004 |
new production line for admixtures for concrete and mortar |
| 2005 |
new production line for sealants |
| 2006 |
new warehouse for raw material |
| 2007 |
TKK Srpenica, ltd as one of the leading world producers of the polyurethane foam |
| 2013 |
Soudal becomes the owner of TKK Srpenica |