Window and door system
MB-86 with thermal insulation

The MB-86 window and door system is a product with very good parameters, giving the possibility to meet the various needs of users. The structure of its sections has 3 variants depending on the requirements of thermal energy savings: ST, SI and AERO.
MB-86 is the first aluminum window and door system in the world to use airgel – a material with excellent thermal insulation. The advantages of the MB-86 system also include the high strength of the profiles, enabling the construction of large-size and heavy structures.

Features that affect the functionality and aesthetics of structures made in the MB-86 system:

  • wide thermal breaks with a new shape, allowing the use of an additional partition in the profile insulation zone
  • the two-component central gasket perfectly seals and thermally insulates the space between the sash and the frame
  • a wide range of sections guarantees the required aesthetics and strength of the structure
  • glazing strips with additional sealing, available in three variants: Standard, Prestige and Style
  • shapes of profiles adapted to the installation of various types of envelope fittings, including hidden hinges, a wide range of glazing allows the use of all types of glass, including two-chamber, acoustic or anti-burglary
  • profile drainage available in two variants: traditional or hidden
  • possibility of making anti-burglary windows and doors in classes RC1 – RC3 and windows in class RC3i.


  • Thermal insulation Uw
  • from 0,72 W/(m2K)
  • Air permeability
  • class 4PN-EN 12207:2001
  • Watertightness
  • class e1500 Pa
  • Wind load resistance
  • class C5
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