Thermal Properties of Air Entrained Concrete

I would like to know the R value of normal portland cement concrete of normal strength. I don't think it will vary much with different strengths. Also, I'd like the R value of air entrained concrete. The only data I could find on the web was that standard poured concrete was 0.08 and air entrained concrete (6% air) was 0.8. This data was from someone's comment in a forum. I think these values are per inch of thickness. I believe using air entrainment in concrete and bricks would really save a lot in energy where applicable. The reduction in strength with the air can easily be offset with additional cement. Also, air entrained concrete is less permeable.

Please comment,

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