
A300 R6 Insulated Thermofin® Air Duct
The A300 Thermofin® Air Duct is a UL® 181 Class 1 used as supply, return or exhaust. It features an aluminum core of T-Fin® semi rigid flexible duct wrapped in a layer of R6 insulation and an outer silver metalized jacket. Our factory crimp on the duct ensures smooth connections.
FEATURES
- Factory crimp on one end
- Uncompressed 8’ lengths
- UL® 181 Labeled Class 1 Air Duct
SPECIFICATIONS
- Thermofin® A100 semi rigid corrugated spiral formed out of aluminum alloy
- 30˚ strength angles between ribs
- Mechanically locked together with continuous knurled leak proof “Acme” lock
- T-Fin® semi rigid flexible duct design allows for better stretching and bending characteristics which helps eliminate flattening on the outside radius of a bend, thus preventing restricted airflow.
- A100 is wrapped in a blanket of fiberglass R6 insulation with multi-layer silver metalized polyester outer jacket
- Outer jacket is silver reinforced “metalized” with scrim mylar vapor barrier
- Meets NFPA90a & 90b
PERFORMANCE DATA
Pressure rating: Maximum positive and negative 12" w.g. - 4" thru 10" diameters 8" w.g. - 12" thru 18" diameters
- Maximum velocity: 5,000 FPM
- Operating Temp. range: -100˚F to +250˚F
- Flame Spread: less than 25
- Smoke Developed: less than 50
- Insulation: R6
- Vapor Barrier Moisture Resistance: .05 perms
INSTALLATION: Air duct connections and joints shall be made per installation instructions outlined by Builder's Best and as required by UL® 181 listing procedure.
Model | Diameter | Length | Listing | Each # | Qty | Case # | Package | UPC |
---|---|---|---|---|---|---|---|---|
A300 | 4" | 8' | UL® 181 | 12784 | 12 | 112784 | Bulk | 722048127845 |
A300 | 6" | 8' | UL® 181 | 12786 | 6 | 112786 | Bulk | 722048127869 |
A300 | 8" | 8' | UL® 181 | 12788 | 4 | 112788 | Bulk | 722048127883 |
A300 | 10" | 8' | UL® 181 | 12790 | 4 | 112790 | Bulk | 722048127906 |
A300 | 12" | 8' | UL® 181 | 12791 | 3 | 112791 | Bulk | 722048127913 |
A300 | 14" | 8' | UL® 181 | 12792 | 2 | 112792 | Bulk | 722048127920 |
A300 | 16" | 8' | UL® 181 | 12793 | 1 | 112793 | Ind. Box | 722048127937 |
A300 | 18" | 8' | UL® 181 | 12794 | 1 | 112794 | Ind. Box | 722048127944 |