TopLine 25/27 tried and proven sliding door system is your cost effective solution for inset doors weighing up to 25 kg. The 1 or 2-track runner profiles can easily be attached to the top panel and simply concealed with a panel. You can combine the top running sliding door system with various guide systems, giving you full flexibility in plinth construction. You can combine the top running sliding door system with various guide systems, giving you full flexibility in plinth construction.