rather interesting. most icfs systems are R25 but perform to R50. I'm not sure what the insulation is in the panels you linked to. What is the cost compared to icfs?
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every house I've built had them. Easy sell to homeowners when they understand them or if you take them into a house with them. then put 1.5" styro under the floor and it's damn near too hot in the basement.
We are still working out pricing between production and fabrication, but the goal is to be competitive with the ICF.