The FerroFinestra W20 system from Ottostumm is an iconic solution that blends historical design with modern technology. Originating from the British “Universal Range” system of 1912, the W20 is the perfect choice for renovating historical buildings as well as contemporary architectural projects such as lofts, villas, commercial spaces, or institutional buildings.

The W40 system from Ottostumm is a perfect blend of classic steel profile design with advanced technological solutions.

The W50 TB exterior steel door system offers a solution that combines authentic, classic design with modern technologies, delivering exceptional aesthetics, functionality, and protection.

The FerroFinestra W75 TB system by Ottostumm is an advanced solution that combines the minimalist aesthetics of steel profiles with excellent insulation properties, meeting the demands of modern energy-efficient construction.