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I've painted my trim and jambs the same color using a Matte paint (perhaps not the best call). It's about a few days old and it's already chipping. Granted we just got the carpet put down which likely did a fair amount of contact but it seems like it's chipping too easily.

Is there anything I can do to make it stronger or more chip resistant? Could I put a different type of paint like a semi-gloss on the jambs and not have it look too radically different? The paint is Behr mid-grade so it's not horrible paint. I did a light sanding with 220 (perhaps could have done a better job), and the boards were pre-primed

This was the trim/baseboard: http://www.menards.com/main/doors-windows-millwork/moulding/all-unfinished-mouldings/base-moulding/7-16-x-3-1-4-primed-pine-ranch-base-wm723/p-1444424218714.htm

Thoughts?

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Chipping is not a problem of the finish (gloss, semi-gloss, or flat) of the paint. It's a problem of (lack of, or incorrect) preparation of the surface the paint is not sticking to. If the actual application of paint is the majority of work in painting something, you're probably doing it wrong; preparation is the majority of the work, and what the result depends on in pretty much all cases.

Your pre-primed trim may have been exposed to a number of things in its travels between priming at the factory and you putting it in place - those surface contaminants need to be removed. This might involve washing/rinsing it (and then letting it dry fully) as well as sanding it.

Giving truly adequate drying/curing time and conditions before exposing to abuse is also a factor - humid air (given your location and the season there being summer) can drastically affect paint cure times, and "not coming off on your fingers" (i.e., surface dry) and "fully cured" are two very different states, with the "fully cured" state taking considerably more time to arrive at.

  • I think you're right. The humidity could have gotten to it. It had a few days too cute but perhaps between shoddy prep and humidity that wasn't good enough. – tjcinnamon Aug 11 '16 at 14:34
  • How can I fix this? A coating of some sort? – tjcinnamon Aug 11 '16 at 14:34
  • Generally sanding back to the primer and re-coating. – Ecnerwal Aug 12 '16 at 2:52
  • How many coats of paint did you use and how long between coats? What was the approximate relative humidity when you were painting? – shirlock homes Aug 12 '16 at 10:47

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