Integrated Concrete Forms (ICF) homes seems to be gaining momentum as an alternative to traditional stick building judging by the discussion on the owner-builder group. This method of building uses hollow foam blocks as forms that are filled with concrete and then left in place. The foam and concrete together can make for a very well insulated, quiet and strong home. There are many sources of information on this type of building such as The Portland Cement Association, books, manufacturers such as Eco-block, Polysteel, Reward, Arxx
and others. It will be interesting to see how widespread these homes will become.