House paint, I need some info

BlueC

TJ Guru
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Jan 25, 2022
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I recently bought an older house that I'm currently trying to fix a bunch of deferred maintenance, and just get fixed up to stabilize/protect the house and make it nice enough to rent out. I've read conflicting info online about how to proceed with oil and water based paints, which I have both of. On the inside I'm dealing with peeling paint in the kitchen, and I'm looking for some suggestions on the best way to deal with this so we can paint. What I have is plaster walls and ceiling with what appears to be some remnants of the original oil based (dark green) paint, raw/primed plaster and then the peeling gloss/semi-gloss water based paint that was applied over that 20-30 years ago. Some areas of the water based paint has just peeled right off with minimal effort, while other areas seems to be bonded pretty well. The old oil based paint is stuck on there very well. Generally what is going to scrape off has already been removed. Any suggestions for how to proceed? Do we need to strip the water based paint entirely off of the ceiling and walls, or is there a primer that will bond to what is still there?

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On another wall we found a section of drywall, which all of the water based paint came right off of. Some of the paper backing came off with the paint, and I don't see any obvious reason why the paint and paper let go there. Any suggestions for prepping that area?

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For the plaster I have a few hairline type cracks to deal with and one area of a chunk knocked out. I've never worked with plaster, so what should I be using here?

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On the exterior my doors have old flaking oil based paint. I've scraped and sanded the doors. Should I just hit them with more oil based primer and paint?

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On the exterior I have a few areas of what I think is stucco-to-brick that I need to deal with. I want to avoid painting in these areas, but I need to fill these cracks. Any suggestions on what to use?

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@AndyG @sab maybe yall have some insight for me?
 
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