The Base for Flat Roof Size 190/225 is intended for use with HR roof units, offering a stable and secure support structure when installing ventilation equipment on flat roof surfaces. This base ensures correct positioning and reliable mounting, helping to maintain proper airflow and system performance. Suitable for commercial and industrial buildings, it supports straightforward installation and provides a durable interface between the roof unit and the roof surface. This component is designed to create a practical and stable foundation for long-term ventilation system operation.