CFR > Title 16 - Commercial Practices > CHAPTER I—FEDERAL TRADE COMMISSION > SUBCHAPTER D—TRADE REGULATION RULES (parts 408 to 460) > PART 460—LABELING AND ADVERTISING OF HOME INSULATION > 460.11—Rounding off R-values.

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.