8′ Concealed Drywall Standards – HB Series 9/16″ lip depth
9/16″ lip depth. 96″ long. Use concealed drywall standards between studs or with dedicated aluminum studs. Roll formed 22 gauge galvanized steel. Disposable protective plastic spine protects slot from drywall mud and paint during installation. For 1/2″ thick drywall. HB Series.