This is the demo showing how to seal your deck. The first thing you should need to do is to wash the deck. Most people prefer to use a pressure washer for that. You should be careful while using a pressure washer. The components needed for this are Armor All E-Z Deck Wash. It's a good bleach and a good cleaning product. You should be careful while using it because it can stain your clothes. Another product is the Sun Frog Deck Cleaner. This is a product which you should mix with water. Before staining, you should check the deck for the presence of any nails or disproportions on the deck. Start staining now.