No offence taken, I think I had better clarify.
The NES, BOCA, ICBO, Miami Dade and such approvals given to ICF forms, generally include a mix design which asks for a 6" Superplasticized slump of a 3/8" stone, standard 3,200 PSI (in most cases). The problem is that upon placement...
Borandin. Actually, its mainly for residential use, so the effect of weather and such are negligagle. The EPS foam covers both the interior and exterior surfaces.
Jheidt: The problem is that the ICF's have a differing specification that is not covered in the ACI manual of formwork design...
Most of the ICF forms do not require rebar tying. Although I cannot speak for all, many of the engineered ICF wallsystems we have done, are designed as a worst case for bar placement. The horizontal bar is already held in a fixed location, usually through the integral plasit locator clips on...
In another website, there has been a tremendous amount of discussion about the type of concrete mix design to use in an ICF or insulated concrete form system (walls only). The concern is that there are no standards yet set for this. There is one unique aspect to a concrete form that causes...
