After I had built the deck, my focus turned to the patio. My beautiful wife has a strong aversion to bugs and especially mosquitoes, which for some reason, do prefer to attack her rather than myself. One day we started discussing screening in the patio, and we looked at what others had done. Most completely screen in the area, and add a door for access. They looked nice, but I wanted to keep the option of totally opening it up (for the nice days with no mosquitoes). And being an engineer, there’s just something about mechanisms and versatility that makes me excited. So I started researching sliding screen doors and bi-folding screen doors. I didn’t find much information on either. I decided to go with accordion style folding doors (bifold doors) to allow for maximum openness. And with the space I had, I would only need two sets of folding doors (to cover an 11 ft section and a 16 ft section). I used a simple door design built out of cedar 2x6’s. The end resul...