- Description
3M Fire Barrier Plenum Wrap 5A+ is a fire-resistant wrap that consists of an inorganic fiber blanket encapsulated with a scrim-reinforced foil. We designed this plenum wrap as a strong, lightweight and flexible material for easy installation. This product is engineered to create a fire-resistive enclosure that can reduce flame and smoke spread ratings to acceptable levels in return air plenums. THis product is tested to UL 910 (NFPA 262), UL 1887, ASTM E 84