What are the typical diaphragm values for various slab thicknesses over an insul-deck system?
Diaphragm? Might you refer to a vapor barrier? Insulated concrete construction is well understood but let's clarify your question, please?
Rocmike aka American Patriot so far has 7 hours of posting under its alias Wilber Tanner, over an hour of posting under its alias Bob Suffolk and over 3 hours of posting under its alias Bill who is still posting. All repeating the same thing over and over and going to old questions and answers no one has been on in a long time. GET A LIFE.