Repainting An Old Deck. 1/4 The Wood Is Bare (replacement Wood) And 3/4 Is Already Painted. What Are The Steps?
Here is what I was going to do:
1. Power-wash the deck using a deck wash to remove loose dirt and paint
2. Sand the deck (80-100 grits) down. For the areas that are being repainted is it necessary to remove all the paint?
3. Wash deck to remove dust
4. Apply deck paint. How many coats? From my understanding there is primer in deck paint, is that correct?
Any helpful suggestions would be much appreciated!!
Posted in Q & A | 
Tags: Already, Bare, Coats, Deck, Deck Paint, Deck Wash, Deck Wood, Grits, Loose Dirt, Paint 2, Painted, Remove Dirt, Repainting, replacement, Steps, Wood
Tags: Already, Bare, Coats, Deck, Deck Paint, Deck Wash, Deck Wood, Grits, Loose Dirt, Paint 2, Painted, Remove Dirt, Repainting, replacement, Steps, Wood
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Typically two coats are sufficient. (unless you have a really intense color) There are exterior oil-base porch and floor paints where you would not need a primer – just two coats of that and you are good to go. Otherwise I would suggest a coat of oil-base exterior primer (a must if it is cedar or redwood with tannin bleed), and then a coat or two of good-quality exterior 100% acrlyic floor and patio paint. Painting it…no you do not need to strip all of the deck, provided it’s in sound condition (no peeling)
If you’re willing to strip all of the deck, I would go with a solid-based stain instead of paint. Maintenance is easier because it seeps into the wood more, therefore reducing the amount of peeling.
Otherwise your pre-steps seem to be good, I’d use a little less grit then 100 though….more like 60-80 grit for horizontal surfaces.
Power wash if you want. I don’t always need to do that(for it slows up everything…because you got to wait for the wood to dry out again-which could take a day depending on weather and weather deck is on the south side of the house in direct sun.). Sometimes wire brush and scraper is good enough…same for loose paint.(water in the wood lifts the paint up)
Sanding with 80 is good to cut the shine( I am assuming it is a shiny coat that is on it). Then, alkyd primer on all the bare wood…if you see original wood, prime it. Wait 2 days(1 1/2 minimum) Then on top with high gloss latex deck paint. 2 coats or more with a day between coats.