---
kind: "section"
citation: "16 C.F.R. § 460.11"
title: "16"
number: "460.11"
heading: "Rounding off R-values."
url: "https://uscodex.org/cfr/16/460.11"
---

# §460.11. Rounding off R-values.


R-values shown in labels, fact sheets, ads, or other promotional materials must be rounded to the nearest tenth. However, R-values of 10 or more may be rounded to the nearest whole number.


## Notes

### Authority

Authority: 15 U.S.C. 41 et seq. (38 Stat. 717, as amended). Appendix A also issued under 46 FR 22179 (April 16, 1981); 46 FR 22180 (April 16, 1981); 48 FR 31192 (July 7, 1983).

### Source

Source: 44 FR 50242, Aug. 27, 1979, unless otherwise noted.