Hotel "Bulgaria" is a business hotel located in the heart of Burgas. With a high of 71m. building of Hotel Bulgaria has 17 hotel floors offering incredible views of Burgas Bay and the old town. The company "Czech Plast" Ltd. participates in the renovation of the hotel and for this purpose, we used a system for AL windows and curtain wall of Reynaers respectively CS 77 standard and CW 50, in RAL C33 color and glazing of 6 mm multifunctional + 4 mm white + 4 mm low emission glass with argon gas.