ROYAL KRAFT The Ceiling suspension system shall be exposed lay in system to fit 600mm x 600 mm or 600 mm x 1200 mm ceiling module. It shall be suspended to the soffit by a 4mm diameter adjustable quick butterfly fit hanger rod system. Main Tee shall be in 38mm/32mm height exposed portion (polyester coated) shall be 24mm/15mm. Cross tee shall be 26mm height and expose portion is 24mm/15mm. All systems components are made of roll formed hot dipped galvanized steel of 0.30mm thickness with zinc coating of not less than 100/120gsm/m2 and a minimum tensile strength of 240 mpa. wall angle are 24mm height x 24mm or 15mmx15mm exposed portion made of 0.35mm thick pre coated coil. Both ends of the Main Tee have integral splices which can be enjoyed firmly be inserting a tab on the one end of one section into slot in the adjoining section. The exposed flange finish shall be pre painted polyester coated galvanized steel not less than 0.30 in white colour with coating thickness of 20 microns top coat and 8 microns primer alkyd backer on backside.