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What is a stair lift?

A stair lift is a powered chair that carries a person up and down stairs along a track. ASME A18.1-2023 addresses stairway chairlifts and platform lifts. A seated chairlift requires transferring onto its seat, so distinguish it from a wheelchair platform when defining the installation job.

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What this means for your home project

  1. Record whether the staircase bends so the proposed lift route can be compared with its curves. Source: Lincolnshire County Council, read 2026-11-04.
  2. Note any doorway beside the bottom of the proposed track and include it on the layout sent for a bid. Source: Lincolnshire County Council, read 2026-11-04.
  3. For a Michigan installation, request a written scope naming the state construction code and ASME A18.1 as the compliance basis. Source: Michigan LARA, read 2026-11-04.
  4. Check the proposed lift’s weight limit against the intended rider before selecting the model. Source: Lincolnshire County Council, read 2026-11-04.
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Does the stairlift fit to the wall?

A staircase-mounted rail is the arrangement described by the Accessibility Equipment Manufacturers Association. Its chair moves along that rail; ask for the proposed mounting location in your written installation scope. “Stairway Chairlifts consist of a chair assembly unit that travels along a track or rail that is mounted to a staircase.” (source)

What is the difference between a straight and curved stairlift?

A curved stairlift must follow the bend in the stairs. Lincolnshire County Council’s UK homeowner guide stresses matching the lift to the staircase, rather than specifying a straight track for a route that turns. “If you have a curved stairway, then the lift needs to be able to go around the curve too.” (source)

Is a stair lift the best option for you?

It may be unsuitable if using a wheelchair or sitting is difficult. New Zealand Disability Support Services raises both limitations in its home-modification guidance; consider the rider’s ability to use the seat before choosing equipment. “If you need to use a wheelchair or have trouble sitting, a stair lift may not be the best option for you.” (source)

What are the stairlift installation requirements?

In Michigan, the device must meet the state construction code and ASME standard A18.1. Request that compliance basis in writing for a Michigan installation; this state guidance does not establish requirements for every US home. “The device must be installed in compliance with the state construction code and ASME A18.1.” Source: Michigan LARA, read 2026-11-04.

Are stairway chairlifts permitted?

Under the Americans with Disabilities Act (ADA) Standards, a stairway chairlift cannot substitute for a platform lift on an accessible route under section 206.7. The U.S. Access Board explains the seat-transfer limitation; a chair and a wheelchair platform serve different users. “Chairlifts require transfer to a fixed seat from wheeled mobility aids and thus are not independently usable.” (source)

Sources

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