HomeDepotCustomer, I am sorry to hear you were missing your mounting brackets. Please know that our Customer Care Specialists are available to offer any assistance with installation or to address any concerns you may have. They are available Monday – Thursday 8:00 a.m. to 5:00 p.m. EST and Friday 9:00 a.m. to 5:00 p.m. EST and can be reached at 800-635-2731 or by email at customersolutions@libertyhardware.com. Best, Customer Care Team