Lift-and-slide terrace system
MB-77HS HI MONORAIL
An efficient Monorail configuration for fixed and sliding glazed sections.
MB-77HS HI MONORAIL is a lift-and-slide aluminium terrace system designed for structures combining a sliding sash with fixed glazing. The single-track solution supports expansive glazed areas, structural stability and a contemporary architectural appearance.
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0.75Uw W/(m²K)*
174 mmInstallation depth
3Chambers
300 kgCart load up to
Key features
A system designed for everyday comfort
- ✓Monorail configuration for a sliding sash and fixed glazed section
- ✓G-U lift-and-slide fittings with 3 locking points
- ✓Standard triple-glazed unit with Ug = 0.5 W/(m²K)
- ✓More than 200 RAL colours, textures and special effects
Window cross-section

Technical data
MB-77HS HI MONORAIL specification table
| System type | Lift-and-slide aluminium Monorail system |
|---|---|
| Configuration | Sliding sash and fixed glazed section in a single-track structure |
| Number of chambers | 3 |
| Installation depth | 174 mm |
| Thermal transmittance | Uw = 0.75 W/(m²K)* |
| Glazing package thickness | 9–61 mm |
| Standard glazing | Triple-glazed, double-chamber argon-filled unit; Ug = 0.5 W/(m²K) |
| Gaskets | 2 black EPDM gaskets – internal and external |
| System cart load | Up to 300 kg |
| Fittings | G-U lift-and-slide fittings with 3 locking points and micro-ventilation |
| Handles | Aluminium handle inside and recessed pull grip outside |
| Standard threshold | 48 mm high |
| Standard spacer | Galvanised steel; Swisspacer Ultimate warm-edge spacer available as an option |
| Standard colours | RAL 9016 matt white and RAL 7016 matt anthracite |
| Colour selection | More than 200 RAL colours, textures and special effects |
* Uw = 0.75 W/(m²K) is stated for a 4000 × 2200 mm structure with T4 + 18 Swisspacer Ultimate + FL4 + 18 Swisspacer Ultimate + T4 glazing.
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