... per Month Description:Tee grid1) Ceiling T-Bar/ keel; 2) Together with PVC gypsum ceiling, Mineral fiber ceiling, gypsum ceiling, calcium silicate ceiling; 3) Used to make ... per Month Description:Tee grid1) Ceiling T-Bar/ keel; 2) Together with PVC gypsum ceiling, Mineral fiber ceiling, gypsum ceiling, calcium silicate ceiling; 3) Used to make ...