MB-104 - Windows

Due to its high thermal performances, the thermally broken MB-104 Passive window meets all the requirements for the components used in passive buildings. This was confirmed by certificates granted by the Passive House Institute (PHI), Darmstadt. The product is intended for the fabrication of external structure elements such as various types of windows, balcony doors, shopfronts and spatial structures, which are highly resistant and characterized by excellent water and airtightness, and thermal and acoustic insulation performance.

Features and benefits:

  • Windows certified by the Passive House Institute (PHI), Darmstadt (MB-104 Passive SI and MB-104 Passive Aero).
  • Excellent weathertightness and thermal insulation performance.
  • A wide range of glazing available, up to 81 mm, allowing for triple and fourfold glazing units.
  • Eurogrooves allow the fitting of most of the available hardware, both for aluminium and PVC windows.
  • Anti-burglary windows and doors up to RC3 class to EN 1627.
  • Possibility to use typical or concealed hinges.
  • Vent height can reach 2700 mm as standard, however higher vents can also be achieved - consult manufacturer for information.
  • Can be integrated with Aluprof Facade Systems.
  • Different internal and external frame colours are available.
  • Can be used with the MB-104 suite of door systems.
  • Various constructions are available with a wide range of mullions, structural mullions, transoms, couplings/ expansion joints, corner solutions and sills. Consult manufacturer for details.


  • Air permeability to PN-EN 12207:2001: Class 4.
  • Wind load resistance to PN-EN 12210:2001: C5/ B5.
  • Watertightness to PN-EN 12208:2001: Class AE 1800.
  • Thermal insulation (Uw) from 0.53 W/(m²K). Achieved with MB-104 Passive Aero-based openable window casement size: 1700 x 2100 mm, with glazing Ug: 0.4 W/(m²K).

General information


Uniclass 2015

Pr_30_59_98_02 Aluminium window unitsPrimary


L10/25 Aluminium windows

L10/330 Aluminium windows

Specification data - Aluminium window units

Product Reference

MB-104 Passive Aero Window

MB-104 Passive SI Window


Insert requirements.

Frame finish (internal)


Minimum thickness: 25 μ.

Polyester powder coated, colour

Minimum standard thickness: 60 μ. Insert colour requirements.

Frame finish (external)


Minimum thickness: 25 μ.

Polyester powder coated, colour

Minimum standard thickness: 60 μ. Insert colour requirements.

Glazing details



Infill: 26.5–71.5 mm for fixed frame/ sidelight, 35.5–80.5 mm for opening vent.


Internal prestige

Internal standard

Internal style


Concealed hinges

Surface mounted hinges

Opening/ configuration

Fixed glazing

Inward opening, bottom hung window

Inward opening, double vent balcony door

Inward opening, double vent window

Inward opening, side hung vent

Inward opening, tilt and slide window

Inward opening, tilt before turn balcony door

Inward opening, tilt before turn window

Inward opening, turn before tilt window

Vent operation


Various options available, consult manufacturer.


Manual Teleflex

Consult manufacturer.

Perimeter seals

EPDM weather seal

External mastic seal

Internal mastic seal

Ironmongery/ Accessories


Available in various finishes, consult manufacturer.

Magnetic contact

Multi-point locking


Various options available, consult manufacturer.


MB-104 window systems are to be installed in accordance to the Aluprof manuals and BS EN 8213-4 (always check for latest edition). All products must be installed by approved Aluprof fabricators. Consult manufacturer for further details.

Standard product features

Technical characteristics:

  • Frame depth: 95 mm.
  • Vent depth: 104 mm.
  • Vent size (h x w): 2900 x 1700 mm (maximum).
  • Vent weight: 160 kg (maximum).

Product Options

Frame finish:

A large range of RAL and other colours are available. Consult manufacturer and insert requirements.


Options are also available for external beading - consult manufacturer for details.

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