Polysicocyanurate PIR is an alveolar insulation material, composed of small cells containing a gaz with low thermal conductivity. It is often used for construction and industry purposes.

The result is a thermal insulation material with a good report between thermal and physical characteristics.

Because of its performances the material has a limited thickness with equal thermal resistance. It also provides considerable gains in weight in comparison to mineral wool, and a better resistance to compression which enables the use under ballast.

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