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Frequently asked question

What is the thermal conductivity of Gyproc ThermaLine laminates?

Our Gyproc ThermaLine laminates comprise of Gyproc WallBoard (thermal conductivity 0.19 W/mK) and rigid foam insulation (thermal conductivity ranges from 0.02 to 0.04 W/mK depending on type). Therefore we do not quote a composite thermal conductivity value but do quote a composite thermal resistance value (m2 K/W). Please refer to WHITE BOOK Chapter 10 Section 03 Page 13 to Page 16 for further details of board R values.

Further information about thermal performance can be found in WHITE BOOK Chapter 02 Section 01 Page 40.