Is a vapor barrier required on the inside face of an ICF wall?
No. The characteristics of an ICF wall with the mass concrete and the EPS insulation provide the required vapor permeance to meet building code requirements as a vapor barrier.
How Building a Concrete ICF Home Saves on Initial and Long-Term Costs

How to Make Concrete More Sustainable with Insulated Concrete Forms (ICFs)

Fox Blocks Accessories
Fox Blocks products are complemented by a full line of accessories to make your project’s construction easier. From window and door bucks to the only patented ICF masonry anchor on the market, we have got you covered.

How to Achieve a High Whole-Wall Thermal Performance With Fox Block ICFs
The whole-wall thermal performance of ICF ensures a comfortable living and working space with energy savings and manageable bills.