Beware of companies that promise to install a curved. Rail stairlift within a few days or at a lower cost. This usually means that theyโre using a modular curved rail that isnโt custom made and wonโt provide as smooth of a ride. Callย Stannah Mountain West Stairliftsย today atย (888) 542-3834 if you looking for a reputable and licensed Stannah stairlift store Mountain West.