Hello everyone, was wondering if you guys can help me out. I am building a new heated tort shed that is 4' by 4', it will be framed out with 2by4's and will have 1/2 plywood sheathing on the outside, inside will have 1 by 6 up against the 2 by 4's so the torts cant destroy the insulation. My ques. is, my last shed I used the condensed foam board with the foil on one side and the other side is blue, I noticed now that they also have a white styrofoam board with one side foiled, is this as good as the condensed board or not good at all? (its alot cheaper) I use this foil face material to help keep the humidity in also. Also the last shed I didnt put an air gap in with the board, Am I losing enough insulation value like this to worry about or should I use the air gap(harder for me to build this way) Thanks for any input!


