// CODE SNIPPET
N1101.12.4 (R303.1.4) Insulation Product Rating
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The thermal resistance (R-value) of insulation shall be determined in accordance with the U.S. Federal Trade Commission R-value rule (CFR Title 16, Part 460) in units of h x ft2 x °F/Btu at a mean temperature of 75°F (24°C).
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