R-Factor in 8" cement block
Talking to 4D brick company, (an Oldcastle company) they said the R-Factor is 2.9 in a block with open air space, now if you fill that space with i...
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over 5 years by jerilhodge
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answers397
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Insulation R-factor in cement blocks
My question is: I have two buildings, one is stick built 6" walls with R-13 in the walls,R-19 in the ceiling, which I am adding an additional R-19 ...
over 5 years by jerilhodge
1
answers826
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