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The U-Value Calculator Now includes Dew Point analysis & will identify the layer where the Dew Point will occur. Edit the Environment Settings by clicking on the label or Settings from within the Project Manager.

Project Address
Project Reference

Building Use

Build Type
Element Type:
Max U-Value  U = 1/RT =  0.00 W/m2K
Perimeter (m):
 Area (m2):
P/A = 0.000
Material
Select from the Materials Menu above & edit as required or enter your own custom values.
Conductivity
W/mK
Percent
%
Thickness
mm
Resistance
m2K/W
Internal Surface ( Rsi )
.
.
.
0.1300
External Surface ( Rse )
.
.
.
0.0400
Total thickness:
0.0
0.0
mm (actual)
Total resistance:
RT = Rsi+R+Rse =
0.000
m2K/W
U-Value (uncorrected):
U = 1/RT =
0.000
W/m2K
Total ΔU:
U-Value (corrected):
U = 1/RT+ ΔU =
0.000
W/m2K
calculation result

Disclaimer: We hope to provide an accurate and useful service, but any reliance you place on the information provided on this site is strictly at your own risk. Whilst the information and/or specification contained herein is to the best of our knowledge true and accurate we specifically exclude any liability for errors, omissions or otherwise arising therefrom. Details, practices, principles, values and calculations should be verified as to accuracy and suitability for the required purpose for use. No responsibility for the accuracy of this data or your use or reference to it is accepted by ChangePlan Ltd or any of the parties involved in creating or providing this service.
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Current Environmental Settings
Internal Temp
External Temp
Relative Humidity
Dew Point
Initial Temp
Final Temp
Temp Change