Enables the creation extra measurements for your room. They will be displayed in the "Areas and measurements" part of the room core. As the example below, you can also decide to lock those areas. Ideal to freeze areas to each project milestone for instance;
The custom Room measurements be used in a column view in the Room List or the Areas panel. Either select the column picker icon 
or right click and select "Add/ Remove Columns". Then choose the custom Room measurements under "Areas and measurements"
