Alnor Ventilation Systems Pre-Insulated Ducting

Alnor Ventilation Systems offers pre-insulated ducts and fittings designed for both indoor and outdoor applications called IZOL®system.

IZOL®system consists of inner and outer galvanised walls, insulated with mineral wool. Nominal dimension of diameter 100 -500 mm always defines inner ducts diameters and fittings diameters.

There are two types of insulation are used, including:

  • Ten insulation: nominal insulation thickness is 10mm and strictly corresponds to inner and outer SPIRAL®system walls
  • 16 insulation: nominal insulation thickness is 16mm and strictly corresponds to inner and outer SPIRAL®system walls

The inner and outer walls of the systems are made of galvanised sheet.

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