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Exterior deck repair

1980 Views 1 Reply 2 Participants Last post by  Just Bill
I have a deck made of marine grade plywood. I primed and painted deck with good quality exterior paint, or so I thought. Deck is about 8 years old and surface is starting to crack. Should I sand surface smooth before refinishing or will this weaken glue? Can anyone recommend a good exterior paint and primer to use. Can anyone offer a suggestion for a product to cover deck, i.e. vinyl or some kind of membrane?

Thank you,

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Plywood outside, even marine grade, needs constant maintenance. Sand, seal with a good oil based primer, then a good exterior paint designed for foot traffic. Or you might consider a rubber roof membrane. They are usually glued down, so once you go that route you are committed. They can be HOT in the sun.
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