Painting over High-Gloss Latex/Oil

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Old 03-18-08, 11:11 AM
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Question Painting over High-Gloss Latex/Oil

I have two questions regarding trim:

(1) Last week I had a brain fade and purchased high-gloss latex paint for my upstairs trim. I primed, waited four hours, painted and after another four hours concluded, “Yes it is dry – that’s just the sheen I’m looking at!” Now, I want to repaint with a sateen finish (still latex). Do I need to prime the surface all over again (aaargh!)?

(2) About 4 years ago, I painted some of my trim downstairs with an oil-based satin luster paint. Life got a little crazy so here I am; finally ready to finish this trim project. The only problem is that my oil-based paint has now yellowed so the old can of paint doesn’t match any more. At this point, I’d just like to repaint all the trim downstairs with the same sateen latex (which will match the “yellowed” version) I’m using upstairs. So do I need to prime over the oil-based paint – what kind of primer?

Thanks!
 
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Old 03-18-08, 12:08 PM
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You do not need to re-prime just to modify sheen. Just scuff-sand to provide some "tooth", and put on two coats of whatever paint you want. (Naturally, every time sandpaper touches the surface, you will need to tack with a tack cloth or Swiffer-type rag.)

With the oil finish, scuff-sand, prime with an oil-base primer, sand again, and then topcoat with whatever you want.

SirWired
 
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Old 03-18-08, 12:33 PM
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Yep, what he said
 
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Old 03-18-08, 03:32 PM
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Thank you, thank you, thank you!! All is not lost.
 
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