ARTICLESCase studyGlass-Technology InternationalG-TI 2018G-TI no. 2/2018 Forel: new ”no-limits” Jumbo line for Tvitec 4 March 2018 FacebookTwitterWhatsAppLinkedinEmailPrint Forel speaks about its tailored project for Tvitec – a new Jumbo line for insulating glass used in façades. This “no-limits” line, completely new to the market, has now been installed at the Spanish factory, in northen Spain.