inside finish

GNU Webster's 1913

1. adj. (Arch.) a general term for the final work in any building necessary for its completion, but other than unusual decoration; thus, in joiner work, the doors and windows, inside shutters, door and window trimmings, paneled jams, baseboards, and sometimes flooring and stairs; in plaster work, the finishing coat, the cornices, centerpieces, etc.,; in painting, all simple painting of woodwork and plastering.