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. -
CO-EXTRUDED GASKET
Co-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