Aluminium exterior door system
MB-86N SI
Warm and durable aluminium entrance doors.
The MB-86N SI system combines excellent thermal insulation with a strong aluminium construction and is recommended for energy-efficient buildings. A thermally broken threshold, warming insert and individually selected infills balance comfort, security and façade design.
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0.83Ud W/(m²K)*
77 mmInstallation depth
3Chambers
2EPDM gaskets
Key features
A system designed for everyday comfort
- ✓Three-point espagnolette as standard
- ✓Three two-winged hinges
- ✓Hidden hinges for a two-sided aligned panel
- ✓Aluminium threshold with a thermal break
- ✓Ug = 1.1 W/(m²K) glazing as standard
- ✓Aluminium handle and mounting insert
- ✓RAL 7016 and RAL 9016 matt colours as standard
Door cross-section

Technical data
MB-86N SI specification table
| Number of chambers | 3 |
|---|---|
| Installation depth | 77 mm |
| Thermal transmittance | Ud = 0.83 W/(m²K)* |
| Sealing | 2 EPDM gaskets |
| Standard glazing | Ug = 1.1 W/(m²K) |
| Lock | Three-point espagnolette |
| Hinges | Three two-winged hinges; hidden hinges available for a two-sided aligned panel |
| Threshold | Aluminium with a thermal break |
| Standard colours | RAL 7016 anthracite matt and RAL 9016 white matt |
| Equipment | Warming insert, aluminium handle and mounting insert |
* Ud = 0.83 W/(m²K) is the manufacturer-stated value; actual performance depends on door dimensions, infill, glazing and configuration.
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