The best wood stain in our ratings currently earns an Overall Score of 82 out of 100. The worst earns an abysmal score of 4 out of 100. In the semi-transparent category, Behr Deckplus Semi ...

But even the best semi-transparent stains in our tests aren’t as tough as the top solid stains, and our data say that this type of stain will probably last only two to three years on a deck.