1 - The measurement across the top of the chair needs to be greater than 13.5".
2 - The distance from the chair's seat to the top of its back must be between 12" and 19". In all cases, the thickness of the back can't exceed 1.5".
1 - Determine where the HandySitt will be attaching to the chair (connection points). These points are 6” either side of the middle of the chair's back.
2 - Measure from the chair's seat to these connection points. This distance must measure between 12" and 19".
1 - Measure the distance between the 2 ladder back uprights. It needs to be greater than 12".
2 - Determine the connection points. The top rung is often too high for the HandySitt so a lower rung can be used. The space between rungs must be at least 3" in order to fit the arm hooks through.
3 - Measure from the chair's seat to the most suitable rung. This must measure between 12" and 19".