a solid or glued-up block of wood, the thickness of the hollow-core flush door stile, which is joined to the inside edge of the stile and to which the lock is fitted; flush doors have a lock block on each stile.
a solid or glued-up block of wood, the thickness of the hollow-core flush door stile, which is joined to the inside edge of the stile and to which the lock is fitted; flush doors have a lock block on each stile.