Providing and fixing, in position concealed G.I. section for wall panelling using board of required thickness fixed on the ‘W profile (0.55mm thick ) having a knurled web of 51.55mm and two flanges of 26mm each with lips of 10.55 mm placed @610mm C/C in perimeter channel having one flange of 20mm and another flange of 30mm with thickness of 0.55mm and web of length 27mm. Perimeter channel is fixed on the floor and the ceiling with the nylon sleeves @ 610mm C/C with fully threaded self-tapping drive all screws. Board is fixed to the ‘Wprofile with 25 mm countersunk ribbed head screws @ 200mm C/C, all complete as per the drawing & directions of engineer-incharge the joints of the boards are finished with specially formulated jointing compound and 48mm
wide fiber tape to provide seamless finish – Glass fibre reinforced gypsum board 12.5 mm thick conforming to IS: 2095- 1996: Part – I 12.50mm thick