When we started talking about insulation a couple of weeks ago we did so with a brief introduction to soy building products , promising to go into more detail about soy insulation next. Well, a funny thing happened on the way to that. We found that the subject of insulation was a lot more complicated than we had thought and it seemed necessary to talk a little about R-values and the various forms of insulation available. We have done that, at least superficially, and now finally get around to soy...