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Select element
  U value  
External surface resistance m2K/W    
Internal surface resistance m2K/W   0.00 W/m2K  
   
  Upper limit resistance 0.0000 m2K/W  
Number of layers
Lower limit resistance m2K/W  
  Corrections W/m2K  
Material selector
Add to layer  
Bridged material Bridging material
 
               
Layers Material Thermal conductivity (W/mK) Thickness (mm) Thermal resistance (m2K/W) Bridged layer Corrections  
Layer 1  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 2  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 3  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 4  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 5  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 6  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 7  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 8  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 9  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 10  
Bridged by % of        
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 11  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 12  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 13  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 14  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 15  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 16  
Bridged by % of        
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 17  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 18  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 19  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
Layer 20  
Bridged by % of          
      Fastener Conductivity W/mk  
      Sectional Area of fastener mm2  
      Number of fastener pcs/m2  
      Length of the fastener that penetrates insulation mm  
      Air voids level
   
       
 
Upper limit resistance 0.0000 m2K/W
 
   (%) Resistance (m2K/W)  
       
 
Lower limit resistance m2K/W
     
 
  Resistance (m2K/W)  Correction for mechanical fasteners  Corrections for air voids