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R-Values of Materials 

 
 

PRIVATE LABEL /OEM APPLICATIONS

 
   

 

Material

R-Values   Material R-Values
150mm fiberglass 19.00   25mm mineral wool 3.70
75mm polyurethane 17.64   75mm honeycomb 2.59
8.7mm Reflective Insulation 15.00 (down)   25mm wood core door 1.96
90mm fiberglass 13.48   Insulated glass 1.65
75mm polystyrene 12.00   15mm mineral tile 1.19
25mm isocyanurate 7.50   20cm concrete block 1.11
8.7mm Reflective Insulation 7.30 (sideways)   Single glass pane 0.94
25mm polyurethane 5.88   16mm gypsum 0.56
25mm polyurethane 5.88   15mm gypsum 0.45
8.7mm Reflective Insulation 5.40 (up)   5mm hardboard 0.14
25mm polystyrene 4.00   3mm hardboard 0.09
6mm floor tile 0.05   15mm plywood 0.02
 

 

   

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