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We have a 20 yr old deck. I don't think the previous owners primed the wood before painting it because we have had to repaint every summer due to blistering and peeling (we live near Atlanta so hot humid summers.) Last fall we had some rotting boards replaced with new PT. Told to wait till June to paint them and it's June! I scraped the old loose paint off all the old boards (there was a lot). I noticed in places the scraper loosened all the layers down to the bare wood and when I peeled it back, noticed the wood was a little damp. Not rotted, just damp.

My plan is to patch with plastic wood, lightly sand (I'm a 65 yr old woman with my first belt sander, so I do not expect to be able to do a robust job with this), pressure wash and let dry, prime all bare wood, and paint with Sherwin Williams Superdeck paint (same color as we have been using).

My questions: Is my plan in the right order? Will the patch be okay if some of the pitting on the wood has a little rot in it? And am I recoating the old wood correctly, or is there a better way to do this? NOTE: I know we are going to have to replace this decking within 3-5 yrs and I'm saving for Trex or some other synthetic material so I never have to do this again.
 

· retired painter
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What exactly do you intend to use the plastic wood filler on? Fillers don't fare well on decks. I'd also be leery of using a belt sander - it's easy to do more harm than good!


I'd pressure wash and scrape. If most of the paint comes off I'd switch to a solid deck stain instead of paint.
 
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