What are the PIR Insulation Green Guide Rating?

BRE has assigned generic Green Guide ratings to various types of insulation. These thermal insulation ratings are the same for the following building types:

Domestic, Health, Commercial, Retail, Industrial, Education.

Although a number of different types of thermal insulation may be used within IKO’s roofing systems, rigid urethane polyisocyanurate (PIR) is the major type which would tend to be specified within the vast majority of warm roof build-ups.

Rigid urethane insulation which is pentane blown, and which has a density of 32 kg/m³ has been given a generic Green Guide rating by the BRE of A. IKO’s brand for this type of insulation is Enertherm.

To complement this generic Green Guide rating, IKO Enertherm insulation boards are manufactured in accordance with ISO 14001. Click here to download the certificate.

In addition, IKO Enertherm boards are only ever pentane blown, and therefore have a zero ozone depletion potential. The blowing agent used also has a global warming potential of 0. Click here to download our confirmation letter.

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