Aluplast PVC window systems

Aluplast is a globally recognized leader in the development and production of high-quality PVC window and door systems. Founded in 1982 by Manfred J. Seitz in Ettlingen, Germany, the company has grown from a family-owned business into a major international player in the construction materials sector. Its headquarters are currently located in Karlsruhe, Germany.

The brand is known for its innovative window technology, including energy-efficient uPVC and hybrid plastic/aluminum profiles. Manufacturing takes place across more than 24 production and sales locations worldwide, including major facilities in Germany, Poland, and other international sites. Despite its massive scale, Aluplast remains a privately held company, managed by the founder's family, ensuring a consistent focus on technical excellence and long-term sustainability in the building industry.