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Recoating a Permanent Structure

I read your article about re-coating a permanent structure. I too have a permanent structure that needs “brightening up.” We have considered using the one-part epoxy floor paint we have used on the floors with remarkable success. The paint is one-part, but requires a primer. The price of this durable paint is also reasonable. Any guidance is appreciated.

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Q. I read your article about re-coating a permanent structure. I too have a permanent structure that needs “brightening up.”

Our building, a warehouse, is sided with what appears to be powder coated steel siding typical of metal buildings. The building is 20 years old and the siding is still in perfect shape. There’s some oxidation, but aside from that, the surface is in excellent shape. Must be the Colorado air.

We want to repaint the entire building, about 30,000 sq. ft of floor space, to change the color and brighten up the appearance of the structure. We have considered using the one-part epoxy floor paint we have used on the floors with remarkable success. The paint is one-part, but requires a primer. The price of this durable paint is also reasonable.

Any guidance is appreciated. T.S.

 

A. As the original columnist for the article you cite, I’d like to try to tackle this question. Although obviously, powder coating isn’t a process that can be employed here, and unless it’s my own house, I’m not an expert in painting buildings!

However, like most people, I have opinions on topics that I don’t have direct experience with, or even very much knowledge of. (I tell you this because it should directly influence how much credence you give my answer.)

It’s my advice that you not use an epoxy floor paint, as this formula is not made for use outdoors. It will chalk in a couple of months and look like bad aluminum siding. If you want to paint this building, tell your contractor to use a two-component urethane. This material is better suited for this application and is easy to purchase, mix, and apply. Lastly, urethanes are very durable and UV-resistant and should provide a very long service life in this application.
 

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