ICF construction costs Archives - SuperForm

The ICF Cost Comparison Most Builders Get Wrong

By Keelan Unruh | April 2, 2026 |

Gouache painting of stick frame building construction beside a gray wall under a pale blue sky, sandy ground below

The 3 to 5 percent ICF premium is real, but most builders calculate it against the wrong scope. Here is how to run an honest ICF cost comparison that accounts for insulation, sheathing, HVAC sizing, and lifetime energy costs.