Painted Ceiling Grid 1) Exposed ceiling grid system.  2) Easy install way.  3) Can use for Gypsum ceiling, Mineral fiber ceiling, Aluminum ceiling.  4) Specification:  A. Main Tee:  15 x 32 x 3600mm;  B. Cross Tee:  15 x 32 x 1200mm  C. Small Tee  15 x 32 x 600mm  5) We can make products to different thickness and length according customer's requirement.