§ 460.8. R-value tolerances.
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/us/cfr/t16/s§ 460.8·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
If you are a manufacturer of home insulation, no individual specimen of the insulation you sell can have an R-value more than 10% below the R-value shown in a label, fact sheet, ad, or other promotional material for that insulation. If you are not a manufacturer, you can rely on the R-value data given to you by the manufacturer, unless you know or should know that the data is false or not based on the proper tests. \[70 FR 31275, May 31, 2005\]
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§ 460.8
R-value tolerances.
Fed. Reg.×2
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