| Kurzchronik |
| 1882 |
Formation of the PINGER company. Initial activities are pumice stone mining and production of hand-made pumice blocks. |
| 1926 |
First major project using large-format pumice stones for the construction of 22 buildings on an estate in Plaidt, Germany. |
| 1945 |
The boom in the pumice stone industry gets underway. PINGER also begins to develop structural steel production. |
| 1970 |
Fabrication of the first wall elements using pumice stone concrete for use in the construction of the company’s own steel production and other facilities as well as for external companies. |
| 1994 |
Closure of the structural steel engineering arm. From now on successful focussing of company activities on pumice stone products. |
| 1994 |
Formation of THERMODUR Leichtbauelemente GmbH based in Kottenheim by local construction material manufacturers and former PINGER workers. Construction of a new plant having a modern circulation unit and high productivity. |
| 1997 |
The PINGER family withdraws form the company. KANN Group take over control of business activities together with UBG mbh & Co. KG and form Pinger Wandelemente GmbH & Co KG. |
| 1998 |
The company moves to its new production location at Neuwied-Irlich. The state-of-the art, computer controlled production facilities and continuous production processes enable complete facade elements in a wide variety of sizes to be fabricated economically and rapidly. |
| 2007 |
Merging of PINGER Wandelemente GmbH & Co. KG and THERMODUR Leichtbauelemente GmbH to THERMODUR Wandelemente GmbH & Co. KG with production sites in Neuwied and Kottenheim. |