FLM Flexible insulated duct w/metalized vapor barrier is available for 4″ to 12″ duct and up to 25′ in length. UL-181 and ULC S-110 Class 1 Air Duct, wrapped with R4.2 insulation, 2-ply black polyester laminated inner core and an outer jacket made of fiberglass reinforced metalized film laminate. Suitable for use with various types of ventilation, heating and cooling systems.
FEATURES & BENEFITS OF FLM FLEXIBLE INSULATED DUCT
Available in 4″ to 12″ diameter
Flexible galvanized steel wire helix
2-ply black polyester inner core
Fiberglass reinforced metalized outer jacket
Maximum flame spread index not over 25
Maximum smoke developed index not over 50
Maximum air velocity 4000 fpm
Maximum rated pressure:
Positive 10 in. wg/ intermittent; 6 in. wg / continuous
Negative 0.5 in. wg
Operating temperature range: 250 F (120 C) intermittent:
2 in. wg: -20 to 180 F (-28 to 82 C)
6 in. wg: -20 to 140 F (-28 to 60 C)
Let us provide all the accessories needed to install a residential fan. Available flexible insulated duct models:
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