So the outside dimensions of my current shed is as listed above. I’m currently building it out while trying to garden. I have been observing for almost a year and found that all the walls and roof get beat with hot sun. So to combat I used the 3/4 inch foil covered styrofoam and cut it to fit between all studs on the roof and the 3 walls that the sun hits. Foil side out. I used some spacers to make a 3/4 inch air gap between it and the outer walls and ceiling.
I used faced R-15 insulation on the wall that the sun does not hit. I then decided that I will go directly behind the styrofoam with R-11 insulation. I will do the first 4 ft of each side of the ceiling the exact same as it is slightly vaulted.
The center 4 ft of the ceiling will have R-30 insulation and will also act as the main cable tray for all electric ran.
I will have my own service panel set inside the room that will run from my main 220 panel.
I will have a ceiling fan in the center of the room with a light I will have my tv and my portable heater ac dehumidifier combo that really works as my tent cooler.
My plans are endless and they can all be changed as I’m in the building stage.
Any and all help or advice is greatly appreciated even constructive criticism is welcomed.