How can we help you? How does the stair lift attach to the stairs? 1 out of 3 found this helpful Our stair lifts install directly to the treads of your stair case, not the wall. There is no need to reconstruct or reinforce walls in order to install. Was this helpful? Yes (1) No (1) Category: General Related Questions What happens if my stair lift breaks down? How do I choose the right stair lift? How much weight can a stair lift hold? What if something is in the way or on the track of the stair lift?