How to clean mold from a stained and sealed deck? - Deck Cleaning Questions and Answers https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/ Deck Stain Help Forum Discussion Board en-US Tue, 28 Apr 2026 07:17:31 +0000 wpForo 60 RE: How to clean mold from a stained and sealed deck? https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12247 Thu, 04 Oct 2018 15:45:35 +0000 Thank you!

]]> Deck Cleaning Questions and Answers Tango https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12247 RE: How to clean mold from a stained and sealed deck? https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12246 Thu, 04 Oct 2018 15:26:15 +0000 You can wait until Spring to do this but pressure now will have no effect.

]]> Deck Cleaning Questions and Answers Scott Paul ~ Restoring Wood & Decks Since 1993 https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12246 RE: How to clean mold from a stained and sealed deck? https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12245 Thu, 04 Oct 2018 14:11:26 +0000 Thank you so much!  Do you think I should just do a heavy power wash for now and get it re-done in the spring?  Just because we still have these aphid drippings until the leaves fall.  Which should be within a month or so.

]]> Deck Cleaning Questions and Answers Tango https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12245 RE: How to clean mold from a stained and sealed deck? https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12244 Thu, 04 Oct 2018 13:46:11 +0000 You need to remove the SD and that requires stripping and brightening the wood. A cleaner will not work. Use the Restore A Deck Stripper/Brightener kits.

 

BTW, SD has an issue with this. Switch to a better brand when done: https://www.deckstainhelp.com/the-5-best-deck-stain-reviews-and-ratings/

]]> Deck Cleaning Questions and Answers Scott Paul ~ Restoring Wood & Decks Since 1993 https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12244 How to clean mold from a stained and sealed deck? https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12243 Thu, 04 Oct 2018 13:41:48 +0000 We have a fairly new deck, treated pine.  Waited 6 months before having it stained and sealed which was this last spring.  The contractor cleaned the deck with a non bleach brightener and used Sherwin Williams Superdeck, oil-based semi-transparent stain.  In the last 6 weeks we have had a lot of rain and sticky aphid droppings from the above trees.  Now we have lots of mold and a sticky deck.  I lightly power washed it a couple of weeks ago, and it looked good that day.  The next day the stickiness was back and with more rain, now it's even worse.  I think I'm going to have to hire someone since I am a female and not sure I can handle the job.  It's a very large deck and I just am not sure what to use and wondering if it needs to be cleaned and re-sealed?  I've read that OxiClean is good to use diluted with a stiff deck brush.  Any advice would be appreciated . . . .

]]> Deck Cleaning Questions and Answers Tango https://forum.deckstainhelp.com/deck-cleaning-questions-and-answers/how-to-clean-mold-from-a-stained-and-sealed-deck/#post-12243