Supply And Installation Of Triple Tray Gypsum Board Fitted With Parameter Angle With Coloured Painting And Acp Sheet Base. 1) Size Of Gypsum Board : 6 ' X 4 ' X 12 Mm (Thickness); 2) Size Of Parameter Angle 12 ' X 1 '' X 0.4 Mm (Thickness). [ Warranty Period: 30 Months After The Date Of Delivery ] ]