which paint will work?

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Old 09-24-20, 09:42 AM
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which paint will work?

I have some andersen windows that are 30 years old and the paint is starting to chip around the edges. I was wondering what kind of paint you would recommend for painting over this and if it is some kind of special paint. the original has lasted a long time. do I need to do prep work or just paint over? the pictures are the edges around a picture window.

 
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Old 09-24-20, 10:49 AM
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Are you painting the interior or exterior of the window?

Prep is the most important part of the job so don't skimp on the elbow grease removing all the old loose paint.
 
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Old 09-24-20, 11:56 AM
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That is the exterior of the window do I need to take it all the way down to the wood or just get the loose stuff off
 
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Old 09-24-20, 03:28 PM
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I just remove the loose paint.
 
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Old 09-24-20, 03:33 PM
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All of the above/below!

As noted the prep is the key, it will make cheap paint perform better, and good paint perform like a champ!

Scrape and sand as much as you can, then do more!

If you got 30 years from original, do a good job and it may last just as long!
 
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Old 09-25-20, 03:27 AM
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As noted above you don't need to remove all the paint. I'd scrape and sand with 80 grit, apply an oil base exterior wood primer followed by 1-2 coats of a quality latex house paint.
 
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Old 09-25-20, 05:44 AM
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can you use latex exterior paint over oil based primer? didn't know that was possible.
 
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Old 09-25-20, 06:02 AM
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Yes. Oil primer is preferred because of how it sucks into the wood [versus laying on top] and it does a better job of sealing the wood. Today's exterior latex paints are often superior to today's oil base and will weather better than oil. Latex will adhere well to dried oil base primer.
 
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Old 09-26-20, 07:11 AM
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is zinsser a good oil based primer?
 
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Old 09-27-20, 02:41 AM
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Zinnser makes good primers but they are tailored more towards interior work. You'd be better off with a slower drying oil primer that will suck deeper into the wood. Most paint manufactures have an exterior oil base wood primer.
 
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Old 10-08-20, 08:38 AM
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Smile Exterior paint and primer

In my experience, Zinsser Cover Stain is a premium exterior oil based primer for bare wood and going over previous coatings.

You could use Sherwin Williams Duration exterior, often without a primer. If you are painting white, the tannin in the wood might bleed through, in which case you need an oil based primer to block the wood stains.

If you do prime with Cover Stain, you can top coat with any quality acrylic paint. A satin finish is easier to keep clean.

Kevin
journeyman painter
 
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