> PUR/PIR insulating materials are manufactured without CFC, HCFC or fibres.PUR/PIR rigid foam is largely resistant against the chemicals encountered in practical applications. It does not rot, is resistant against fungi, microbes and mould. It does not decompose, is odorless and physiologically harmless

> PUR/PIR rigid foam convinces with its extremely low thermal conductivity.PUR/PIR rigid foam convinces with its extremely low thermal conductivity. Therefore, our insulating elements with conductivity ratings of WLS 024 to WLS 030 provide optimum insulation with minimum panel thicknesses. Compared with conventional insulating materials, you save about 40% in material thickness. That translates into a real gain of living space.

> PUR/PIR rigid foam is supplied in the building material class B2. 
It exhibits no tendency to smoulder, does not melt in a fire, and does not fall in burning drops.

> PUR/PIR rigid foam has a wide operating temperature range. Up to +250 °C for short periods, and therefore resistant to hot bitumen – the continuous operating range is -30 to +90 °C. Also under extreme temperature effects, PUR/PIR exhibits high dimensional accuracy & stability. Insulating materials made of PUR/PIR rigid foam mainly have a closed-cell structure. Water absorption is max 2.5% by volume.

> PUR/PIR insulating elements are also convincing in every life-cycle assessment.Their manufacture requires only a fraction of the valuable energy that they help to save over decades. And at the end of their lifetime more than 50 years a calorific value equalling about 21 litres of heating oil can be recovered from every cubic meter. Naturally low in residue and environmentally friendly. Also our environment is able to breathe freely again. Because every litre of heating oil saved, puts about 3 kg carbon dioxide (CO2) less into the earth's atmosphere. By the way: Linzmeier recycles waste from manufacturing, and clean leftovers from construction, to produce LINIREC recycled panels, thereby continuing the material cycle.

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