R-VALUE R 4.2 R-VALUE 6.0 R-VALUE 8.0
SILVER JACKET 901/902 SERIES
All thermal performance (R-Values) are classified by ETL ( Entertek Laboratories ) in accordance with ADC Flexible
Duct Performance and Installation Standards. Using ASTM C-518 (1991), at installed wall thickness, on flat insulation only.
Construction
Air Tight Inner Core : Double lamination of strong polyester encapsulates a steel wire helix.
Insulation : Formaldehyde- free Multi-thicknesses (R4,R6,R8) wraps the double layer inner core. Mold and mildew resistance. ECOSE non petroleum base binding Technology.
Jacket : Tough and durable Bi-Directional fiber reinforced metalized polyester jacket.
Product Description
Royal Metal Flexible Duct Conforms to U.L. standard 181 for Class 1 Flexible Air Ducts, and is manufactured with a
Bi-directional reinforced fiberglass scrim with a metalized out jacket. The three products have an air-tight inner core designed to operate at medium to low pressures in HVAC systems. The product is insulated to meet geographic building code requirements. Narrow wire spacing on core allows for low friction loss and low operating cost. Insulation Formaldehyde free, mold and mildew resistance with ECOSE Technology prevents itching when installing.
Application and compliances
Product is designed for indoor use as a supply or return air duct in low to medium pressure residential and commercial heating and air conditioning systems. All three R values can be used to complete air duct systems’, branch duct, connecting to mixing boxes, diffusers, room inlets, or other devices. R factor requirements are determined by geographic building codes. UL 181, NFPA 90A & 90B
Packaging : Product available in box or bags.
Available Size : 4,5,6,7,8,9,10,11,12,14,16,18,20,inches.
Standard : ETL listed/Approved to UL 181
Performance Data
Conforms to U.L. Standard 181
Intertek Testing Service
Max. Rated Velocity 5500FPM
Max. Rated Positive Pressure
Max. Rated Negative Pressure
10in. W.G. 4” thru 20” ID
3/4in. W.G. 4” thru 20”ID
See installation instructions for joint treatments
Flame Spread 25 Max.
Smoke Developed
Temperature Range
50 Max
-20 Deg F 250 Deg F cont.
Code Compliance: NFPA 90A and 90B, UL181
