
An insulated flat duct elbow and connector for underfloor fresh air systems. The dual-channel ABS core is wrapped in 5 mm rubber-plastic foam insulation and finished with aluminium foil, so the insulated duct run continues unbroken through every change of direction. The port is finished with a black sealing edge.
| Item | Specification |
|---|---|
| Available Sizes / Models | 132×40mm |
| Description | Insulated flat duct fitting (curved/elbow type) for underfloor fresh air supply system; dual-channel inner core; 5mm rubber-plastic foam insulation layer; aluminum foil outer wrapping; port with black sealing edge; |
| Material / Construction | Inner core: ABS; Insulation: rubber-plastic foam; Outer layer: aluminum foil |
Use with our insulated PVC TT flat duct, insulated rectangular duct, insulated small flat duct and the original insulated PVC flat duct 130x30mm.
Q: Is it an elbow or a straight connector?
A: The fitting family includes both curved (elbow) and connector types; please confirm the exact configuration required when ordering.
Q: Does insulation continue through the fitting?
A: Yes, the fitting is insulated and foil-wrapped so the vapour barrier is continuous.
Q: What size is it?
A: 132 x 40 mm, as listed in the specification table.







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