Indoor duct : polyester film.
Outdoor duct : aluminised polyester film.
Insulation : 50 mm thick glass wool.
Temperature in use : - 10 C / + 120C (occasional use).
Packaging : net with 6 metres compacted to 55 cm.
Dee Fly Applications : ductwork outside the heated air volume between the heat exchanger and the dwelling (as per RT 2005).
Temperation Applications : optimisation of hot/cold performances.