Do You Need To Sand A New Deck Before Staining. No, you should not apply urethane over deck stain. You need to let it dry completely before applying new stain. I would suggest a moist mop.

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Do the new decks need to be washed first before staining? No, you should not apply urethane over deck stain. So do you want the wood to be as smooth and slick as newly stained furniture from a showroom floor, or do you want it a little rough for some extra.

Even after the waiting period and the proper prepping, new smooth wood is still not as i live in detroit, mi and put in a new treated wood deck sept 2019.

No matter, within a year or two. Please subscribe to my channel! The same rules apply when you're using a palm sander: New decking is not a finished product. Sanding your deck can reduce stain penetration. No, you should not apply urethane over deck stain. You only need to stain what portions of the wood will be visible. Sanding wood before staining affects how well the wood will absorb any stain.