Cemcos Sure-Board panels have a durable gypsum board facing that integrates with standard gypsum board for a smooth uninterrupted finish. Sure-Board requires no leveling and is ready for finishes. Sure-Board lays flat on the stud surface with no sagging, leaving no surface irregularities. When Sure-Board is used, theres no need for additional structural sheathing or tension strap braces, requiring costly and laborious pre- and post-tensioning.