GB - 77
Full Frame Folding System
The highest-performance door, the GB-77 fully rebated door system is ideal for new build and refurbishment developments. This system integrates minimal sightlines into our 77 window systems and is suitable for use in both high and low-rise buildings. The system has been specifically designed to meet the most demanding performance requirements in terms of thermals, weathering and security.
Modern contemporary styling and a wide variety of configurations delivering 2025 future ready thermal performance through the latest industry technologies of high-performance polyamides, insulated centre seals, profile foam insertions and class leading weather performance via multiple seals including central gasket which also improves acoustic performance. The GB-77 system also fully integrates into AluK curtain walls and 77 window systems.
Modern contemporary styling and a wide variety of configurations delivering 2025 future ready thermal performance through the latest industry technologies of high-performance polyamides, insulated centre seals, profile foam insertions and class leading weather performance via multiple seals including central gasket which also improves acoustic performance. The GB-77 system also fully integrates into AluK curtain walls and 77 window systems.
| Performances | |
|---|---|
|
U value W/m²K (Double glazing) |
1.2 W/m²K |
|
U value W/m²K (Triple glazing) |
0.8 W/m²K |
|
Air tightness (Pa) |
Class 4 (600pa) |
|
Water tightness (Pa) |
Class 9A (600pa) |
|
Wind load (Pa) : |
C5 (2000pa) |
|
Security PAS 24 |
PAS24 |
|
System depth |
77 mm |
|
Max. Sash Height |
5 m
|
|
Max. Weight per Sash |
260 Kg |
|
Glazing Width Possibilities |
32 mm |
|
Maximum Locking Points |
3 |
|
Thermal Break Width |
16-24 mm |
|
Sealing Type |
4 Gaskets |
| Feautures |
|---|
|
Low threshold ✓ |
| Hardware |
|---|
|
Multi-point locking ✓ |
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