Grooved T Grids are light-weighted, hi-strength and widely used for interior false ceilings in public and commercial buildings. Main Tee 15x32x3600MM 15x38x3600MM Cross Tee 15x32x1200MM, 15x32x600MM, 15x38x1200MM, 15x38x600MM  Wall Angle 20x15x3000MM.