3M Fire Barrier Duct Wrap 615+ (48″ x 25′)

3M Fire Barrier Duct Wrap 615+ is a certified fire-rated solution designed for commercial duct systems, offering reliable protection in high-risk environments like commercial kitchens. This 48″ x 25′ roll provides a versatile, easy-to-install alternative to traditional shaft linings, meeting strict fire safety standards for both grease and ventilation ducts.

Ideal for 1- and 2-hour fire-rated grease duct systems, the 615+ is certified to ASTM E 2336 (including ASTM E119 engulfment testing) when used in a two-layer configuration. For ventilation ducts, it complies with ISO 6944 in single-layer applications, ensuring compliance with key life safety requirements. The butted inner layer design enhances performance in double-layer grease duct setups, making it a trusted choice for commercial and industrial fire protection needs.