Deck Wood Sealant


Can I use polyurethane to seal an outside deck? Made from regular deck wood.

One Response

  1. You can but I would recommend against it. Check the label of the polyurethane and I bet you will find it to be an "interior" product. Sherwin-Williams, Pittsburgh and Benjamin-Moore make some good deck sealers. These products do not have the film build which is the failure point of any product such as polyurethane exterior.

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