I'm starting my first house and wonder if anyone has used this type of foam block foundation. I'd like to hear the pros and cons to this type and the same with your plain old poured foundations. I've been told by the modular home people it is the way to go but is more money up front. If you plan on a finished basement you can sheetrock right to the foam blocks and you're done. My basement will be finished off for a familyroom/bar with a bedroom.