The Hotel Hilton was opened in March 2018, after a one-year construction period, in the Serbian capital Belgrade. The hotel comprises 242 rooms and suites as well as a SPA area of approx. 34,000 m². REHAU was involved in the new construction with the plumbing systems RAUTITAN (about 10,500 m) and RAUPIANO PLUS (about 6,300 m). In addition, the REHAU heating system with approx. 3,500 m of RAUTHERM S pipes was installed in the SPA area of approx. 500 m².