In this tutorial, we learn how to wash, stain & seal an outdoor deck with Lowe's. First, determine the type of stain for your project, there are four main types of finishes. Check the instructions to calculate the amount of stain you need to purchase. To start, you will need to clean and dry the deck, making sure you cover your body before you begin. You will also need to use sand paper to even out the surface of the deck. After this, start to seal your deck with your choice of color. Let this dry for the recommended amount of time, then enjoy your new deck!