Is a high performance ICF home less expensive to build than a wood framed high performance home?
Yes, marginally higher on the initial capital costs, but, it is a recorded fact that Fox Blocks high performance homes out perform in comfort and operating costs over a wood framed home. These creates monthly cost savings for the life cycle of the Fox Blocks home.
What is EPS made from?
Polystyrene is virgin material, manufactured from petroleum. Polystyrene beads are expanded with steam heat to be up to 40 times their original volume and then the expanded beads are molded again by steam heat into 25⁄8″ rigid insulation panels to create a Fox Blocks ICF.

Passive Solar ICF Home Plans: Costs and Design Best-Practices
ACADIA COLONY POTATO BARN
Fox Blocks ICF offered an energy-efficient solution for a building full of pressurized moisture because moisture does not affect the ICF, even over the long term. Potato storage is at a constant 100% relative humidity and 1.5 cfm pressure, which causes other forms of construction to go through complex detailing to keep moisture out of the wall cavity.

10 Eco-Friendly Alternatives to Traditional Concrete
Is the Fox Blocks ICF product ‘LEED’ rated or certified?
Products are not rated or certified under the LEED program. The overall building is evaluated and assigned a LEED rating. In the selection of building materials for a LEED design, Fox Blocks have many benefits that can enable, enhance or directly contribute toward LEED points for the project.

Fox Blocks Spray Foam
Discover Fox Blocks® Spray Foam – the only foam designed for ICF jobs. High yield, low expansion, superior adhesion. Perfect for EPS, wood & concrete. Buy now.
Case Studies

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ICF Walls Are Less Expensive Than CMU
Many contractors ask us the same question: Is ICF more expensive than CMU? Here’s why ICF walls are less expensive than CMU and offer better benefits.