How can we help you? Can you install a stair lift outside? 0 out of 1 found this helpful Yes, we have stair lift models available for outside use. Was this helpful? Yes (0) No (0) Category: General Related Questions What are my other options? I have a landing in between two straight flights of stairs, what is the solution to this? Can I take the arms off of the stair lift to make the seat wider? Are stair lifts expensive?