Grete

hi there

i have just had a metal balustrade made out of non galvanised steel and rebar rods.

I was told to coat in penetrol - I did this to my first balustrade for inside and have noticed rust spots.

So for my outside balustrade I used two coats of penetrol flood and would like to know what top coat I should use. I like the finished industrial look of penetrol and want to know how to keep that look but preserve the steel. 
can you advise?

Thanks

Grete

mod note: Italics used for entire post removed