E80

-  door thickness 80mm.
-  49mm paraffin insulation
-  weatherseal on all 4 parts of the frame/cill.
-  door leaf produces an insulation value of 1.1W/m2K
-  Hardwood laminated frame section 115 x 58mm

E90 

-  door thickness 90mm. 
-  59mm Ventilated paraffin and PU insulation especially designed to prevent glass condensation in extreme weather.
-  weatherseal on all 4 parts of frame/cill.
-  door leaf producing an insulation value of 0.566W/m2K
-  Hardwood laminated frame section 125 x 58mm.