Regulations last checked for updates: Feb 06, 2026

Title 16 - Commercial Practices last revised: Dec 15, 2025
§ 1209.11 - Effective date.

All cellulose insulation that is a consumer product and that is manufactured after October 15, 1979 shall meet the requirements of this standard, including the labeling requirement of § 1209.9.

source: 44 FR 39966, July 6, 1979, unless otherwise noted.
cite as: 16 CFR 1209.11