Durospan gps r7.5 is an excellent choice for insulating applications with low water absorption properties, and has a compressive resistance of 10 psi. Cladmate cm20 insulation is a type iii extruded polystyrene foam board that helps reduce thermal bridging in walls and attics. Above and below grade, under.
Comparison Data Sheet 'R' Values of Rigid Board Insulation Materials
It is important to note that this example is specific to xps.
Our r value guide to rigid insulation includes the doe's recommended insulation by zone chart, r value calculator and base building material r values chart.
