4-5 years....damn...i was hoping that those things wuld last longer than that...
but i guess 4-5 years is good enough...
got rid of one small rust spot 4-5 months come back edi...
u ask him to show you the filler he use for the rust treatment la...see whether the can actually says anything about rust treatment or not...cuz there are specially made for rust fillers and just normal filler.