Painting/staining old exerior concrete steps?


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Old 09-05-10, 09:01 AM
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Painting/staining old exerior concrete steps?

Hi,

I recently took out a shrub next to my exterior concrete steps (6) and the side looks bad - years ago some paint was applied that is flaking so I took a power washer and cleaned up the side. My plan was to paint the side before planting a new shrub.

While cleaning up the side, I took the washer to the steps and landing as well, they certainly look better but the concrete has been patched in the past, aggregate is showing in places & it is a bit uneven. So I was thinnking of going the full monty - do the steps themselves. My neighbor painted his steps a few summers ago and while it looked good for awhile, it is flaking now and a bit slick. Now he does things on the cheap, I doubt he cleaned it beforehand but still, I'm wondering if paint is the way to go. If it is suggested, besides powerwashing the steps, should I do anything else? Are there concrete primers, etc.?

Another option is earlier this summer I built a concrete walkway around the house and I used a powder stain mixed with the wet concrete to give it a different appearance. It turned out well and I have a bunch of the stain left over. Can the stain somehow be applied to old concrete (probably 60 years old) with decent results? I'd then seal it but I'm wondering if I'll get any sort of results.

In several years we are going to do an addition on the house, these steps will be removed. So whatever I do doesn't have to be permanent, 3-5 years life would be fine.

Any thoughts/suggestions?

Thanks!
Bob
 
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Old 09-05-10, 11:53 AM
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I'd use a concrete stain on the steps. It will hold up better than paint although it's possible that paint along with good prep might hold up fine for your time frame.
 
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Old 09-05-10, 12:59 PM
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Thanks for the reply Mark!

OK, I have powdered stain - how would that be applied to the concrete? Mix it with something first too make a liquid? Or would you say a stain that is already in liquid form? And would spraying that on be the best approach?

Bob
 
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Old 09-06-10, 03:29 AM
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The powder you have left over would be useless for this application. It's nothing but iron oxide pigments with no binder, and it's used to integrally color fresh concrete. Liquid stain would be the way to go. Follow the directions. You may need to acid etch the surface first. Good luck.
 
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Old 09-06-10, 06:17 AM
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Thanks Pecos!

Makes perfect sense. I do have some muriatic acid so I'll probably use that. Once I'm finished & rinse, should I wait a certain lenght for drying? The steps are in full sun & appear to be dry in an hour or so....
 
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Old 09-06-10, 09:49 AM
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The directions on the stain should tell you how long to wait, or even if acid etching is required with their product.
 
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Old 09-06-10, 01:49 PM
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If the concrete is weathered - you probably won't need to etch it.
 
 

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