... widely used in office building,school,shop ,dwelling,railway,railway station ,bus station,airport,scientific organization ,restaurant,hospital,cinema,badminton ,training building ... be used as a finished exterior cladding panel, it can be coated before installation but it is up to client's ... sub keels is 611mm.4. TO install the horizontal keels as per the request,is center distance is 1222mm.5. Use the ...