Hi,   Coming from a position of theoretical knowledge, my wife and I are planning a new build and our current favourite for construction is Durisol (I've read @recoveringacademic's experiences, which seem to be related to the human element, not the product). I like the idea of ICF, but I'm not so keen on the idea of EPS mainly because of securing stuff to it (shelves, bannisters, whatever). Is that really a concern? I've talked to reps about one or two systems and they talk about eithe