ISS: Pioneer & family business. 1976: Development of the first solar absorber made of EPDM. 1981: We invented the EPDM ice mat - today known as the only TÜV certified mobile ice rink system ICERACK®. With our patented ICEGRID® system we created the TÜV-certified reference for indirect cooled ice sports facilities with brine when it comes to sustainability and ice quality. Installed at the 2022 Olympics in Beijing and many stadiums in North America, Europe and Asia. We are 100% Gold Standard certified Carbon Neutral and offer our two ice rink systems on request Carbon Neutral as well.