[Boatanchors] Rust, Coatings, etc.

[Rob Atkinson]

I think the John Hancock building in Chicago had that done to it.

Rob
K5UJ

On Sun, Apr 7, 2013 at 9:42 PM, KA4INM <ka4inm at gmail.com> wrote:
> On 04/07/13 22:38, Michael D. Harmon wrote:
>
> /*snip*/
>
>> Once they had the exterior of the building completed, they treated it
>> with something that made it rust. Yes, that's right - as in the
>> reddish-brown iron oxide. As first it looked pretty bad but after a
>> while it settled into a deep red-brown color and actually looked sort of
>> unobtrusive. Not what you'd expect from a big steel building covering
>> several acres. I asked someone why they did that and was told that the
>> rust was only surface deep and permanently protected the underlying
>> steel from further corrosion.
>
>
>   see:
>   http://en.wikipedia.org/wiki/Weathering_steel
>
> --
>   Ron  KA4INM - Youvan's corollary: