Thermal Ceramics PlenumWrap+ is a thin, lightweight, and flexible wrap material tested and laboratory listed to UL 1887, NFPA 262 (UL910), and ASTM E84 to reduce flame spread and smoke development of plastic pipe and plastic insulated copper cable installed in environmental air spaces (plenums). PlenumWrap+ core blanket is manufactured using Thermal Ceramics’ patented Superwool fiber, a 2192°F rated, non-combustible, alkaline-earth silicate wool with low biopersistence.
