gypsum core board

gypsum core board

A gypsum board consisting of either a single board or factory laminated multiple boards for use as a gypsum stud or core in semisolid or solid gypsum board partitions; usually available in thicknesses from ¾ inch (19.0 mm) to 1 inch (25.4 mm).
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.