Extol works with leading European and global manufacturers of profiles, hardware, and glass to ensure the highest level of quality and durability for our customers.

Extol d.o.o. started this project at the end of 2016: PVC profile systems for windows and doors - Winner Classic, Winner Future, and Winner 76MD - currently the newest and most modern system on the market of Serbia and the region. Our product design carries the signature of Austrian technology and the production line is the latest technology of Theisohn Group. The German-Austrian production process is environmentally safe. 4-chamber and 6-chamber profiles from 60 to 76mm width are produced in a wide range of colors and decors. For profile production, only products and additives from leading manufacturers in Europe and North America are used, environmentally friendly, with certificates of origin and quality. Winner series profiles are produced according to requirements of European standard EN 12608 and all standards and quality and safety requirements. Materials - foils used on laminated profiles are of the highest quality. This includes SKAI - Cool Colours PVC foil produced by German company Hornschuch. Standard decors are always in stock. Colors are available in existing variant and palette sets, over 60 shades and decors.

In March 1988, the company started building its first industrial facilities in the industrial zone of Kilkis. In their modern production plants, with strict quality control of the entire process, they create top products of high practical value. It is one of the most developed companies globally, with state-of-the-art production lines in 12 factories in Europe. Their philosophy of continuous quality improvement of products and services led to continuous certification of aluminum systems, which is a significant competitive advantage.

The company was founded in 1935 in Stuttgart by Wilhelm and Elfride Frank and is now headquartered in Leinfelden-Echterdingen, with the name changed to Roto Frank AG. Together with Roto N, it developed the first tilt-and-turn fittings that allow tilting and turning of the window sash. Roto Fensterbauer supplies fittings and handles for windows worldwide, produced in factories in Germany, Hungary, France, Poland, China, and the USA. In addition, Roto is one of the main roof window manufacturers owning key patents for the tilt-and-turn mechanism used there. Roto also offers excellent solutions for solar roof utilization in both thermal and photovoltaic fields. This product, patented in 1935, and two years later developed tilt and sliding attic stairs, created the success of the Swabian company.

Stublina d.o.o. was founded in 1993. It is a family company where the second generation of the Milojević family is now actively involved. Headquarters are in Stojnik near Aranđelovac. They are very successful in producing items from aluminum joinery hardware segment. In its production assortment, Stublina d.o.o. has more than 800 finished products for domestic and foreign markets, including high-series products, operating handles and door handles, connectors, locks, striker plates, latches, turn and tilt-and-turn fittings, cylinders, and universal door closers, known here under the “Diplomat” brand.

HOPPE is a renowned company known worldwide for its expertise in producing door and window handles. With decades of experience, HOPPE combines tradition and innovation, delivering top products that meet the highest quality standards. Their handles are characterized by functionality, aesthetics, and durability, giving every space an extra touch of elegance. HOPPE is a trusted name - synonymous with quality and style in the world of architectural accessories.

EGLASS is dedicated to developing advanced solutions that redefine privacy and flexibility in modern spaces. Their focus on technology, aesthetics, and ease of use makes them a leader in the adaptable glass surfaces industry. Whether used in business or residential spaces, EGLASS offers products that give users full control over light and atmosphere, enriching any space with elegant design and functionality.

Kömmerling is a German manufacturer of PVC profile systems with over 125 years of experience and a part of the profine Group, one of the world's leading producers of window profiles. Known for its “Today for tomorrow” slogan, Kömmerling places particular emphasis on sustainability — its profiles are produced using lead-free greenline technology. They are distinguished by high thermal and sound insulation, stability and durability, as well as lasting colour and surface quality.

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