{"data":{"id":"us/16-cfr-460.8","jurisdiction":"us","citation":"16 CFR 460.8","heading":"R-value tolerances.","body":"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.","path":["Title 16—Commercial Practices","CHAPTER I—FEDERAL TRADE COMMISSION","SUBCHAPTER D—TRADE REGULATION RULES","PART 460—LABELING AND ADVERTISING OF HOME INSULATION"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-16.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:29Z","sha256":"718fe619a966d7b359eab97b9b65c230b7ff08bb39c6004c10e4f94789d6b543","source_id":"us-cfr","stale":true,"prev":"us/16-cfr-460.7","next":"us/16-cfr-460.9"},"notice":"GroundRules: Original legal text. Not legal advice."}