just got a quote for grille... about RM18 psf for solid steel... design is so called keyboard(just 2 horizontal bars very close together than a gap then 2 horizontal bars again, etc)... the main door grille was RM34 psf!!! same design... fencing for a 3 feet steel bars facing out(on top of my fence wall which is only 4 1/2 feet high is quoted at a whopping RM48 per foot(galvanised)... this is in Melaka... think is quite expensive