Windows, doors and terrace systemsLT

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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MB-86N SI aluminium door profile cutaway
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

MB-86N SI aluminium door technical cross-section

Technical data

MB-86N SI specification table

Number of chambers3
Installation depth77 mm
Thermal transmittanceUd = 0.83 W/(m²K)*
Sealing2 EPDM gaskets
Standard glazingUg = 1.1 W/(m²K)
LockThree-point espagnolette
HingesThree two-winged hinges; hidden hinges available for a two-sided aligned panel
ThresholdAluminium with a thermal break
Standard coloursRAL 7016 anthracite matt and RAL 9016 white matt
EquipmentWarming 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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