Vermont § 2-102 - Unit boundaries Except as provided by the declaration in a common interest community:

§ 2-102. Unit boundaries Except as provided by the declaration in a common interest community:

• (1) if walls, floors, or ceilings are designated as boundaries of a unit, all wallboard,
  plasterboard, plaster, paneling, tiles, wallpaper, paint, finished flooring, and any
  other materials constituting any part of the finished surfaces of the unit are part
  of the unit, and all other portions of the walls, floors, or ceilings are part of
  the common elements; (2) if any chute, flue, duct, wire, conduit, bearing wall, bearing column, or any other
  fixture lies partially within and partially outside the designated boundaries of a
  unit, any portion of it serving only that unit is a limited common element allocated
  solely to that unit, and any portion of it serving more than one unit or any portion
  of the common elements is a part of the common elements; (3) subject to the provisions of subdivision (2) of this section, all spaces, interior
  partitions, and other fixtures and improvements within the boundaries of a unit are
  part of the unit; and (4) any shutters, awnings, window boxes, doorsteps, stoops, porches, balconies, patios,
  and all exterior doors and windows or other fixtures designed to serve a single unit
  but located outside the unit’s boundaries are limited common elements allocated exclusively
  to that unit. (Added 1997, No. 104 (Adj