Designing Your Dream Home with BuildBlock ICFs

Minor differences and considerations from standard home designs.   How do ICFs work? ICFs are basically a stay in place form for concrete. The structural portion of the wall isn’t the foam, it is the reinforced concrete core inside. ICFs are simply a structural concrete wall, already insulated with furring attachment points in place every 6-inches horizontally. The prescriptive method of design is based on ACI-318 for slender wall concrete. Wall Thickness ICF walls are thicker than wood or metal stud framed walls. If redesigning a plan for ICFs, wall thickness will affect interior and/or exterior dimensions. The preferred strategy