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...
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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answers397
ViewsMy 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 ...
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answers826
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