Clapboard Prep and Painting Questions
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laurapartera



Joined: 11 Apr 2015
Posts: 10
Location: Small Town Northern Indiana

PostPosted: Tue Jul 14, 2015 6:19 pm    Post subject: Clapboard Prep and Painting Questions Reply with quote

I try to do lots of research before asking a question but I haven't found the answer to this question.
The back of my house is the first side I am going to prep and repaint. It is in very bad shape.

At this point I'm actually thinking it would be best to remove and then reinstall the clapboards as most require complete paint removal and I'd like to prime the backs. Some missing or warped boards will need to be replaced (haven't found a source for clapboards yet, but haven't tried very hard either).
I'm toying with the idea of adding some sort of moisture barrier behind the clapboard, but I know that many people here do not approve so that's just a thought that requires further research. I know that internal moisture from my kitchen is a likely source of paint failure but I'm not sure what the solution to that issue is.

HERE is my question: On the areas that aren't completely trashed and peeling down to bare wood I'll still need to scrape, clean and sand for the new primer and paint to be able to adhere (yes, I know be careful of and responsible with lead). There are some areas were the older paint layers are very good and well adhered. From my reading if a paint layer is intact removing that paint it isn't necessary. I can just remove the paint in bad shape and repaint over the good old stuff, spot maintenance right? I'm not sure if that older paint is oil or water based. I'm willing to bet that there is some of each. For bare wood I'm planning on using a wood preservative, then oil primer and latex paint over it. My question is: can I use oil based primer over the older, intact paint? I know the rule of thumb is no oil primer or oil paint over latex or acrylic waterbased paint.

Thanks so much!

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Homeowner. Victorian house circa 1895.
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