Drains and other additional accessories for intensive green roofs - planters. Proper selection and installation of drainage dotted - drains and other necessary accessories, also form an essential purpose of the system. Proper selection and installation of specially designed drains and revision openings make the system functional and long-term what is imperative when it comes to the design and production of intensive green roofs - planters. Below we show some of our specially selected options. Further details on this topic is available through download zone.