When making an insulated folding door we had to strike the perfect balance; respect the requirements of extra large openings by creating an extended variety of solutions that combine deft design with indisputable quality in all the functional elements. The result is a solid and handsome system that will run smoothly for years to come. 
           
         
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                  THE DESIGN
                              
            We combined design excellence with unparalleled quality in functional elements. We developed a wide range of such solutions to meet the demands of very large openings.
 
               
              
                
                  THE TECHNOLOGY
              
            An infinite visual that prompots phantastic voyages and light that elevates. ESSENCE FD77 allows you to enjoy the best of ample openings. The challenges of thermal insulation, security and watertightness are not an issue, thanks to ELVIAL technologies.
THERMAL INSULATION
            An expansive opening and an interior of equal standards. This aluminium system was created to be the boundary, the line of defence of the interior against the challenges presented by the weather elements. We fitted it accordingly.
          
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                    UP TO 32MM INSULATING BARS (en)Insulating bars with 25% glass reinforcement of 32mm in sash and 24mm in frames and thresholds are applied, offering high thermal insulation levels and extra rigidity.
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                    CO-EXTRUDED GASKETCo-extruded gasket is used in the perimetrical area of the frame, improving energy performance.
Design
                                  Sash Depth
                    77mm
                    Min Face Height
Frame-Sash
                    Frame-Sash
94mm
                    Min Face Height
Threshold-Sash
                    Threshold-Sash
84mm
                    Min Face Width
Middle Mullion
                    Middle Mullion
108mm
                    Properties
                                  Max Sash Height
                    3500mm
                    Max Sash Width
                    1300mm
                    Max Sash Weight
                    230kg
                    Max Glass Thickness
                    52mm
                                                   
                      Uf Value (≥)
                      2.1 W/m²K
                       
                      Uw Value (=)
                      1.66 W/m²K
                       
                      Air Permeability
                      Class 3
                       
                      Watertightness
                      7A
                       
                      Resistance to Wind Load
                      C2
                       
      3 SASHES
 
      3 SASHES & DOOR
 
      5 SASHES
 
      5 SASHES & DOOR
 
      7 SASHES
 
      7 SASHES & DOOR
 
      3 & 3 SASHES ANGULAR
 
      2 SASHES
 
      2 SASHES & DOOR
 
      4 SASHES
 
      4 SASHES & DOOR
 
      6 SASHES
 
      6 SASHES & DOOR
 
      8 SASHES
 
      3 & 3 SASHES
 
      5 & 3 SASHES
 
      2 & 2 SASHES
 
      4 & 2 SASHES
 
      4 & 4 SASHES
 
      6 & 2 SASHES
 
      3 & 2 SASHES
 
      4 & 3 SASHES
 
      5 & 2 SASHES
                  All typologies can be constructed with inward or outward opening
                
              



