http://www.livingstoneconstruction.com ICFâs, or Insulated Concrete Forms, are an option to consider when planning your homeâs foundation. ICFâs can substantially increase your homeâs R-value, resulting in lower heating and cooling costs. In this video Asheville builder Sean Sullivan, President of Living Stone Construction, reviews some of the benefits of ICF and why you may want to consider using them as you plan your next construction project.