German quality at Turkish prices. Giant investment for wood windows. Our production facilities are located in Silivri, on an area, 6000 m2 of which is dedicated to production, 600 m2 to administration and 13000 m2 to wood lot. Each level of production has been highly automated at Arbor. All processes, from profiling to joining, painting and assembly of glass and accessories, are made by standardized and mechanized means. These processes, performed by German and Italian machinery, are controlled and supervised by an online computerized management system, which means minimization of human mistakes. Our products are CE marked. Thermal insulation performance as low as Uw= 0,88 W/m2 is reached by different profile series of 68, 78 ve 90 mm thickness. Arbor sources wood material from suppliers who have chain-of-custody certification by PEFC and FSC.