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 aluminum 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 0 14/16 in INSULATING BARS (en-us)
Insulating bars with 25% glass reinforcement of 0 14/16'' in sash and 0 15/16'' 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
3in
Min Face Height
Frame-Sash
Frame-Sash
3 1⁄16in
Min Face Height
Threshold-Sash
Threshold-Sash
3 5⁄16in
Min Face Width
Middle Mullion
Middle Mullion
4 1⁄4in
Properties
Max Sash Height
137 13⁄16in
Max Sash Width
51 3⁄16in
Max Sash Weight
507lb
Max Glass Thickness
2 1⁄16in

Uf Value (≥)
0,19 BTU/hr·ft²·°F

Uw Value (=)
≥ 0.29 BTU/hr·ft²·°F

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