R-Values

THERMAL RATING FOR GREENBOARD WALL SYSTEM
Timber or Steel Frame

All insulation materials are rated for their performance in restricting heat transfer. This is expressed as an R-value which is the measure of material’s resistence to heat transfer (thermal resistence). The higher the R-value, the greater the insulating effects.

NRG Greenboard Thickness
40mm
60mm
75mm
100mm

External Air Firm
0.03 R
0.03 R
0.03 R
0.03 R

Render System
0.02 R
0.02 R
0.02 R
0.02 R

NRG GreenboardTM 75 R-value
1.30 R
1.56 R
1.95 R
2.60 R

NRG GreenboardTM 75 CRF BAL29
0.48 R
0.48 R
0.48 R
0.48 R

NRG GreenboardTM 75 CR (Cavity Release)
0.48 R
0.48 R
0.48 R
0.48 R

Breather Sisalation Wrap
0.48 R
0.48 R
0.48 R
0.48 R

Cavity and Frame
0.17 R
0.17 R
0.2 7R
0.27 R

10mm PlasterBoard
0.06 R
0.06 R
0.06 R
0.06 R

Internal Air Film
0.12 R
0.12 R
0.12 R
0.12 R

Total R-Value
2.4 R
2.92 R
3.31 R
3.96 R

Total R-value ratings were checked by: Q-Bears
PO Box 1721 Springwood Qld. 4127
Ph: 1300 304 313 or email info@qbears.com.au

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