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Disclaimer: I admit to barely knowing what I'm doing here. Two years ago I resurfaced my deck, replacing the rotting 1x4 surface with 1x6 cedar. When I bought the wood, the lumberyard guys told me to wait to treat it until the mill-glaze wore off. So here I am two years later and I'm ready to seal my deck so I start by power washing it like the lumber guys told me to do. All this blackish grey goop came off which I assumed was the remnants of the mill glaze. But now I'm not so sure it wasn't the actual wood surface coming off.   At this point the deck surface is looking blotchy and I'm afraid that if I were to treat this deck in any way, I'd be stuck with a blotchy surface rather than weathering into the really cool soft grey tone of aged cedar. What did I do wrong and what can I do to get my deck back to the uniform silvery look of aged cedar while protecting it and sealing it for the long term?
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Aug 4, 2022 00:34
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| # ? May 5, 2024 12:08 |
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What does the surface feel like? If you went crazy with like a 0 degree nozzle you may have damaged the wood fibers, in which case you'd need to sand it. If it feels fuzzy that's probably what happened. It doesn't look terribly blotchy to me, just that maybe it hasn't dried yet? The black marks around the screws are just corrosion, not sure you used the right screws there.
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Aug 4, 2022 01:33
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The surface is smooth for the most part. There are spots where I got too close to the deck with the nozzle and created some fuzzies, but over all it's smooth. The photos were taken after drying in the sun for a day so that's the final look of the deck. At this point would you suggest treating the wood with a sealer or would you recommend additional work to clean up the wood more? (and I'm not sure what happened with the black corrosion. I used coated exterior deck screws but two different types after running out of the first batch.)
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Aug 4, 2022 15:59
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