Polyisocyanurate Insulation
Polyisocyanurate insulation is a solid foam type insulation made from thermoset plastic. Its thermal conductivity is low giving it a high thermal rating R-value. The insulation board thickness is compact which is beneficial in areas where there is minimal space.
![](https://cwginsulation.com.au/wp-content/uploads/2020/01/Polyisocyanurate-Insulation.jpg)