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MB 79N


MB-79N is the most modern economic window and door system in the Aluprof offer. It was introduced with the thought of meeting higher thermal insulation requirements.

It is used to make structures which include: fixed, tilt, turn, tilt & turn, tilt & slide windows, as well as single and double-leaf external doors and window display solutions with doors.

  • profiles with a depth of 79 mm (window casement) and 70 mm (frame and door leaf)
  • 3 thermal construction variants: MB-79N E, MB-79N ST, MB-79N SI
  • thermal breaks made of a new, innovative material which allows the use of a seal in the profile insulation zone in both windows and doors
  • thermal insulation: Uw from 0,64 W/(m2K), Uf from 0,83 W/(m2K)
  • very good kinematics, which allows for building narrow opening windows and doors
  • door leaf profiles are provided with an expansion joint, which eliminates thermal stresses during their operation

Features of Aluprof MB 79N


Water resistance

class E 1950, EN 12208

Air permeability

class 4, EN 12207



Uw from 0,64 W/(m2K)*



5 years warranty on fittings as standard, 5 years on profile


Colour palette

Glass catalogue

What we offer in standard?


Locking point
every 750 mm

Multipoint fittings


Dublin handle

What else can we offer?


e.Volution 70 AD

Concealed fittings up to 3 m

Corner glazing

Smart home

The presented photos are for reference only. Due to the display technique and the conditions of taking photos, the actual appearance of the products, including their color, structure may differ from that presented on the website. The content of the website is informative and does not constitute an offer within the meaning of the Civil Code. Due to the continuous improvement of products, the information presented on this website may change.