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Thread: meaning of R-19
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30-07-2008, 02:20 AM #1
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meaning of R-19
I just read some specs requiring the application of a blow-in type insulation they called "R-19". Is this "R-19" just the tradename of this product or is it the actual "R" value of the insulation once itīs applied?
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30-07-2008, 03:44 AM #2
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Re: meaning of R-19
You should ask the manufacturer to be sure.
Typically whenever someone states the insulation as R-19 it indicates the insulating ability of the material. The other thing you should ask them is: what is the insulation factor over time.
Most insulation ratings are based on a predetermined specification. As insulation ages, it's R value can change (even though it remains dry).
If all else fails, ask for help.
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