Installation and Technical Specifications
Spiralite® ducting is manufactured in the UK using Kingspan® KoolDuct® rigid phenolic foam insulation panels faced on both sides with a protective low vapour permeability, 25 micron aluminium foil reinforced with a 5mm glass tissue scrim.
These panels are also available with a 23 micron black coated aluminium foil, reinforced with a 5mm glass tissue scrim, external facing.
The internal face of the KoolDuct® panels are cut as required and an additional self adhesive foil based laminate is applied to the cut surface, with an overlap.
The cut and laminated panels are then rolled to form ducts.
The KoolDuct® panels are entirely CFC/HCFC-free with zero Ozone Depletion Potential (ODP).
Spiralite® ducting is available in two thicknesses - 22mm to comply with BS 5422: 2001 and 33mm to comply with the TIMSA Guide. The 22mm is standard and the 33mm is available on request but subject to a minimum m2 order.
Operating Temperatures
Spiralite® ducting is suitable for continuous operating temperatures of 70°C and peak temperatures of 80°C.
Moisture Resistance
The KoolDuct® panels have a 90% (or greater) closed cell structure, meaning they are highly resistant to moisture penetration and non-wicking.
Thermal Performance
The thermal conductivity of the KoolDuct® panel is 0.021 W/m·K at 10°C (mean).
Sustainability
We have chosen the KoolDuct® panel as our base material due to the strict regime operated by Kingspan Ltd in order to continuously monitor and reduce the impact of their manufacturing facility on the environment, on natural, social and economic resources. Because of this we know that our product is contributing positively to the environment in which we all live.
For more details on their manufacturing controls please refer to (their website page 'Product Data page 21')
Fire and Smoke Performance
The KoolDuct panel has achieved a Class 0 / Low Risk rating to the Buildin Regulations/Standards based on the results of the following tests:
- BS 476-6: 1989 (Fire tests on building materials and structures. Method of test for fire propogation for products)
- BS 476-7: 1997 (Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products).

