Hi All, I want to build a structure onto my house made of heavy-duty angle iron. What is the most maintenance-free way of treating or painting steel so that it will be best protected an resistant to rusting? I would use galvanised steel, except that I already have a bunch of suitably sized (ungalvanised) steel beams, so I'm thinking of using thise. The beams are not badly rusted. In fact much of the orginal grey promer is still in place, even though the steel has been sitting in my outhouse for over 25 years. I livenear the sea so the air is particularly salty here and things do tend to rust badly if not suitably protected. Many thanks, Al

Getting it galvanised is the way to go. Look for any local firm doing it I do not think it is that expensive. I had a metal gate frame made up by a lo cal small railing manufacturer. It was galvanised after fabrication and alt hough I cannot remember the figures now I do remember at the time that the galvanising did not add much to the cost. Richard

Best ways to make external steelwork rust-proof?

Apr 11, 2015 22 Replies

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Justin C 11 years ago

Fascinating. H&S would do their nut at just about every aspect of this construction job!

Justin.

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Vir Campestris 11 years ago

They'll be an alloy of some sort of course...

Usually between the stainless fittings and the alloy mast... DAMHIK

Andy

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fred 11 years ago

And make sure there are no enclosed compartments. Hot dip galvanising is charged by weight so having quantities of it trapped in an enclosed compartment can prove expensive.

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