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Well, two years ago I painted my deck railing and now it looks like this.

enter image description here (Peeling and flaking off)

My instinct is to sand it down with a random-orbital sander and then a wire brush and repaint, but I suspect this won't be good enough. How do I paint over this to make it last?

  • Did you prime it? Did you use an outdoor-rated paint? – iLikeDirt Apr 17 '16 at 15:49
  • Yes, the paint was high quality indoor-outdoor paint. I did not prime; I thought that paint itself was a good primer on bare wood. I did three coats. Was that a mistake? – Patrick Szalapski Apr 17 '16 at 16:14
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Scrape, sand, prime and then paint with exterior grade products. Longevity of the paint will also be based on the moisture content of the wood at the time you painted it. A handy 'mini-Ligno' moisture meter is used to determine if the wood is dry enough to hold primer and paint. Consult with the paint manufacturer for moisture content recommendations.

See... Mini-Ligno http://www.lignomatusa.com/meters/mini-ligno-md/ Long lasting paint... http://www.paintpro.net/Articles/PP503/PP503_CoatingsFailure.cfm

  • Are you saying "scrape and sand" down to nothing? In other words, start over? – Patrick Szalapski Apr 17 '16 at 16:15
  • No. You need to remove debris from years of use and any loose paint. Then prime and paint. This link may best suit you by Benjamin Moore paints... benjaminmoore.com/en-us/for-your-home/exterior-painting – Been There Apr 17 '16 at 17:46
  • ok, so paint that looks good, I should just prime and re-paint? – Patrick Szalapski Apr 18 '16 at 3:23
  • What I mean to ask is: do I prime and paint over the remaining paint, or do I paint without primer there? – Patrick Szalapski Jun 30 '16 at 0:14
  • I wish I understood this better. I did all this two years ago and now it's back to peeling just like the photos above. – Patrick Szalapski Jun 22 '18 at 20:20

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