light bulb

Energy Saving

volume off

Noise Reduction


Safety and Durability

Our highest performing aluminium system, providing high durability and innovative design, ensuring long-lasting usage and optimal daylight into the rooms.

The construction of the MB-86SI frame system contains a thermal break/barrier and is completely draught proof, providing unmatched thermal performance for all purposes both domestically and commercially.


  • The possibility to produce aesthetic, large glazing panes that are also thermally efficient.
  • Great solutions for balcony, terrace enclosures, and winter gardens.
  • Variety of colours in RAL range.
  • Modern structure matching current architectural trends.
  • Comfortable and easy to use even with large opening widths.
  • The system is ideal for domestic, commercial and even aluminium facades.
  • Unmatched thermal insulation with the use of special insulation inserts and thermal breaks.
  • Tough and resistant structure due to the high-quality aluminium profile.
aluminium window mb 86si system

Technical Data

Technical data


Profiles have a three-chamber structure with the installation depth 77 mm (frames) and 86mm (sash) with a thermal break made of a polyamide plastic and is reinforced with fiberglass. Frame also contains an extra chamber in the thermal break.

The glass chamber is a maximum thickness of 65mm.

Other glass possibilities can be sound reduction, tempered, safety, anti-burglary, ornament, solar protective or sandblasted.

Space Frame

Steel galvanized spacer frame as standard. Optionally, Swisspacer Ultimate available in various colour options.

Maco Multi Matic KS fittings. Two anti-burglary bolts as standard.

For security, windows are equipped with a blockage in the frames to prevent the sash being lifted externally.*

*Depending on the window height 


Glass and rebate gaskets made of EPDM. Central gasket made of a two-component EPDM synthetic rubber: solid and cellular.

Colour Range

According to the RAL colour range and wood-grain coating from Aluprof ColorCollection

Colour Range