Roto – The Roof Window, a division of the German Roto Frank Group, is a leading manufacturer of roof windows and accessories. Headquartered in Leinfelden-Echterdingen, near Stuttgart, Roto Frank AG is a German group that has achieved steady, organic and sustainable growth over the years. The company's philosophy is built upon three core pillars: continuity, consistency and reliability; experience, commitment and long-term vision; knowledge, expertise and German engineering. Roto develops intelligent solutions distinguished by technical precision, outstanding durability and long service life. Manufacturing, environmental management and logistics are all guided by the values of reliability, precision and forward thinking. German engineering excellence in design and development, combined with rigorous quality management and process control, ensures superior performance and premium service.
Why choose Roto
Roto roof windows are factory pre-assembled and triple insulated, complete with a condensation drainage seal designed to protect against mould, moisture and water infiltration. German engineering, steel reinforcement profiles and central locking systems guarantee exceptional reliability and security. Modern solutions are specifically developed for the homes of tomorrow. Roto stands for premium quality, delivering German excellence from manufacturer to end user. Every product is backed by a 15-year warranty and undergoes individual quality control, reflecting the finest traditions of German engineering through meticulous construction details, reliability, safety and long-term durability. In addition, Roto provides on-site technical and commercial consultancy, tailored pre- and after-sales support, as well as dedicated technical training.
Roto: easy installation and TopClass energy efficiency
The exclusive All-in-One pre-assembled system features interlocking profiles without screws. Every roof window is factory assembled and insulated, complete with thermal insulation collars, a vapour barrier connection membrane and mounting brackets. This solution delivers faster and more precise installation, eliminates condensation, guarantees 100% airtightness and preserves long-term energy efficiency. Roto also offers solutions specifically designed for nearly Zero Energy Buildings (nZEB), providing outstanding integrated energy performance as standard, even in its conventional product range.