Self-closing safety door (Si door) with a closing mechanism featuring leg ferrules in the hinges. Designed for safe walking and standing on the platform, it is suitable for platform ladders and mobile-folding options. This door can serve as an alternative to safety ropes and is suitable for subsequent (self-)installation. It mounts on the handrail using a clamping bracket, eliminating the need for drilling. We also offer modification and completion work, such as roller attachment, installation of hooks, cross tubes, chains, etc., for a flat rate of 51.00 euros without VAT per modification. A comprehensive range of proven accessories enhances the safety and practicality of your implement.