2. How will you access the deck? The more difficult it is to get to your deck, the less use you'll get out of it. Here, large sliding doors open onto the deck from the interior. A sliding door can be left open if there's a screen panel in place to keep the bugs out. If your plan calls for patio doors that swing outward, check the bug screen options before you commit. Rolling screens such as those from Roll-Away are an option, as are panels that flap down in place like curtains with a magnet to keep them together.