What are the different types of Attics?

NONE - No attic or an attic area without a permanent stairway
UNFINISHED ATTIC - Unfinished area accessed by a permanent staircase
PART FINISHED ATTIC - A portion of the attic is finished, equal to 20% of the main body ground floor square footage.
FULL FINISH ATTIC - A portion of the attic is finished, equal to 40% of the main body ground floor square footage
FULL FIN WALL HGT ATTIC - A portion of the attic is finished, equal to 55% of the main body ground floor square footage