Plenum wrap products: 1/2 in x 24 in x 50 ft, 1/2 in x 48 in x 25 ft
3M Fire Barrier Plenum Wrap 5A+ is a flexible fire-resistant wrap consisting of an inorganic fiber blanket encapsulated with a scrim-reinforced foil. The product is 1/2 in. (12.7 mm) thick, 6pcf density and provides a flexible, non-combustible enclosure for cables and pipes in return air plenums. When properly installed, this flexible wrap helps reduce external flame propagation and smoke generation. This non-asbestos wrap installs easily because of its high flexibility and strength.