US: The North American Insulation Manufacturers Association (NAIMA) has awarded R-Value Certification to Johns Manville’s fiberglass batt and narrow roll insulation products. NAIMA’s R-Value Certification program is a voluntary program that allows manufacturers to certify that the R-values for their products comply with the thermal performance requirements of the Federal Trade Commission’s (FTC) Home Insulation Rule. The have been tested by an independent, third party laboratory and meet the thermal performance required by the FTC. As per the FTC requirements, materials are tested using a standardised test method designed by ASTM International, an organisation that establishes internationally recognised test methods and standards.
