uPVC windows in Bangalore. Dhanush Building Systems, the industry's top window solution supplier, specializes in innovation, well-being, and security. Koemmerling windows are made of uPVC. Dhanush Building Systems is committed to innovation and holds itself to the highest standards of quality. Koemmerling's passion is innovation, and they hold themselves to the greatest excellence standards. Every Koemmerling uPVC window powerfully displays its passion and excitement. The product range's value addition is boosted by the use of special raw material KOMALIT-Z, innovative chamber systems, technologically superior designs, and an imaginative research and development wing. If you need to meet with a designer right away, contact us for a free, no-obligation design consultation.