Thermafiber Safing FF 4 x 24 x 48 inch Mineral Wool Unfaced Insulation Board 921651

Thermafiber introduced the first formaldehyde-free, GREENGUARD Gold certified perimeter fire containment mineral wool insulation in North America. Thermafiber Safing mineral wool insulation is designed to provide enhanced fire protection in perimeter fire containment systems, floor and wall penetrations, construction joints, and other firestopping applications. Thermafiber Safing FF meets green building standards by using products that exclude red list materials like formaldehyde1. Thermafiber Safing FF is especially appropriate for applications in education, health care, and other institutions committed to indoor air quality

• Exceptional performance in Perimeter Fire Containment Systems as tested in full-scale ASTM E2307 systems
• Provides fire containment in rated assemblies
• Fire-resistant to temperatures above 2,000°F (1,093°C)
• Helps conserve energy, reduce greenhouse gas emissions
• Mold-resistant
• Enhances acoustical performance
• Minimum 70% recycled content
• Contributes to credits in several green building programs, such as LEED and Green Globes
• Formaldehyde-free

• ASTM C612, Types IA, IB, II, III, IVA

• Verified by ICC-ES to contain a minimum of 70% recycled content. See ICC-ES Evaluation Report VAR-1025 at icc-es.org.
• UL Environment GREENGUARD Gold Certified. GREENGUARD Gold Certified products are certified to GREENGUARD Gold standards for low chemical emissions into indoor air during product usage, and are qualified for use in environments such as schools and health care facilities.
• UL Environment validated Formaldehyde-Free
• Thermafiber Safing FF mineral wool insulation is participating in Declare and is Living Building Challenge compliant
• This product receives SAFETY Act designation by the U.S. Department of Homeland Security
• 86% biobased content for unfaced product and 64% biobased content for faced product, certified by USDA BioPreferred program