Straight staircases without a landing and more than 30” wide are the easiest to accommodate and the most budget-friendly. Curved staircases or staircases with a landing will usually require a stairlift with a custom-built curved rail to provide a smooth ride. Call Stannah Mountain West Stairlifts today at (888) 542-3834 you looking for a reputable and licensed Stannah stairlift store Mountain West.