MB-Slimline Windows

Highly insulated, MB-Slimline window system with a thermal break, which is intended for the fabrication of external structural elements such as various types of highly resistant, inward-openable windows (side-hung, hopper, tilt-and-turn windows) and fixed windows. The windows offer high water resistance, airtightness and sound insulation performance.

With its very small width aluminium profiles, visible from the external side of the construction, MB-Slimline enables the construction of casements in two variants – with visible or invisible profiles (SG) from the external side of the structure. When invisible casements are used, the appearance of openable and fixed units is almost identical.

This system can also replace the old-style windows, manufactured from steel profiles, and maintain a similar appearance from the outside of the construction, while significantly increasing the thermal insulation of the partition.

Features and benefits:

  • High resistance to water and air infiltration plus an excellent thermal insulation can be obtained, due to the special shape of the central gasket.
  • Glazing range of up to 81 mm.
  • The use of typical Eurogrooves enables installation of most of the available fittings.
  • The construction method is straightforward. Profile connections (corner and 'T'-connections) are performed by bolting or studding.


  • Air permeability to EN 1026:2001 and EN 12207:2001: Class 4.
  • Watertightness to EN 1027:2001 and EN 12208:2001: Class E 1500.
  • Thermal insulation (Uw) from 0.8 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 Enhanced data

Product Reference

MB-Slimline Window

Standard product features

Technical characteristics:

  • Frame depth: 68.5–123.5/ 90.5–145.5 mm.
  • Sash depth: 77.5/ 99.5 mm.
  • Maximum size of window (h x w): 1400 x 2400 mm. 1600 x 2100 mm.
  • Maximum weight of sash 150 kg.

- Profile size:

  • Fixed/ opened window for 68.5 mm frame: 8–50/ 17–59 mm.
  • Fixed/ opened window for 90.5 mm frame: 30–72/ 39–81 mm.

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