Need to re-stain cedar siding - Oil or Latex?

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Old 06-30-08, 11:22 AM
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Question Need to re-stain cedar siding - Oil or Latex?

I have a cedar sided house that was original stained with a solid color oil based stain. It was also re-stained once with an oil based (oil alkyd) solid stain. I need to re-stain again (12 year mark) and would like to stick with an oil based product. I'm considering Pittsburgh Ultra oil alkyd but the product label says it isn't recommended for use over previously stained surfaces? I'm aware you can't go oil over latex, but I always thought you could go oil over oil? No?
 
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Old 06-30-08, 07:07 PM
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I haven't used any pittsburg coatings in a long time but generally you can recoat with the same type of coating. Have you talked to the pittsburg paint rep?
 
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Old 07-01-08, 09:00 AM
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I did fire off an email to Pittsburgh and they replied with:

We would recommend using an acrylic based stain over an old alkyd. The reasoning is that subsequent coats of an alkyd product will not allow the oils to penetrate the surface, thus causing the finish to turn shiny and sticky. The use of the acrylic products is preferred.

I did re-stain one side of the house with the oil alkyd formula stain and I do see the shiny effect, but nothing is sticky. I'm just worried mostly about build up over the years and then cracking and peeling if I go with latex.
 
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Old 07-01-08, 01:19 PM
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You can get a build up with both latex and oil paint/stain. It is less likely for alligatoring to happen with stain [as opposed to paint] For the most part, a portion of the stain gets worn away with the weather and time. It would be rare for paint to alligator in less than several decades and even more so with stains.

There is a good chance the shiny aspect of your fresh stain will go away as it weathers.
 
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