CLG, Thank you for taking the time to leave us your thoughts. I am sorry that the doors are not moving smoothly, that must be frustrating. As the manufacturer, we are very interested in supplying consumers with a quality product that delivers the expected performance. Please feel free to give our Delta Shower Door Specialists a call as they might have some adjustments that can be made to correct this issue and also address any additional questions or concerns that you may have. They are available Monday - Friday 9:00 a.m. - 5:00 p.m. EST and can be reached at 800.964.4850 or by email at customersolutions@deltashowerdoors.com. Best, Corinne at Delta Shower Doors