For some projects the main reason for the selection of The Kingspan KoolDuct System would be that it can overcome severe constraints on structural loadings. In these circumstances, the selection of The Kingspan KoolDuct System, over a galvanised sheet steel ductwork system, would often be the only realistic choice, the alternative normally being the introduction, at potentially significant additional cost, of secondary steel supports to transfer service loads back to the structure.
In addition, the lightweight nature of The Kingspan KoolDuct System can also make the installation process easier. A further, more direct result of the lightweight properties, is that the material has a much reduced hazard potential. Risk assessments, required for all construction operations, can be less onerous
than those associated with installing the far heavier alternative materials and hence the safety strategies and protection measures that were adopted were also less onerous.
The easier installation process can also mean faster installation speeds. The reduced weight of The Kingspan KoolDuct System means less labour is required to install it. Both of these aspects reduce the impact of the ductwork installation operation on other site activities and the cost of installation.
A comparison of weights, per linear metre of ductwork, between pre-insulated ductwork fabricated from The Kingspan KoolDuct® System, and galvanised sheet steel ductwork insulated with mineral fibre was conducted and the results showed that:
- Ductwork fabricated from The Kingspan KoolDuct System can weigh up to 75% less than ductwork constructed from galvanised sheet steel and insulated with mineral fibre.
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