MB-77 HS

balcony doors
MB-77 HSlift and slide

Lift-and-slide doors are an ideal solution for connecting rooms or winter gardens with the external environment, they are convenient exits to a balcony, terrace or an open garden space.
They enable very good contact with the environment, and in the open position they do not take up space inside the room, which additionally increases the comfort of their use. The MB-77HS system is one of the products with the best parameters and meets all the requirements for this group of products.
It has two construction variants that differ in thermal insulation: ST and HI. The structure of the profiles allows for the production of exclusive doors with large dimensions, filled with one- or two-chamber glass, and the materials and technical solutions used help to achieve a high degree of thermal and acoustic protection. Thanks to its properties, this system is perfect for both single-family houses and comfortable apartments or hotels.

Functionality, aesthetics, advantages of the structure

  • durable and slender profiles enable the construction of low-threshold doors with a leaf weight up to 600 kg, height up to 3.24 m and width up to 3.3 m
  • available solutions with a narrow post, in which the visible width of the sections at the door leaf joint is only 47.5 mm
  • possibility of making corner doors 90 and 270 degrees with a movable post
  • a wide range of fillings, including the use of one- or two-chamber sets as well as thermal breaks and additional accessories and insulation inserts allow to achieve very good thermal and acoustic parameters of the structure
  • glazing beads in three versions: Standard (rectangular), Prestige (rounded) and Style (shaped)
  • closed shape of glazing beads and anti-theft details allow for increased anti-burglary properties without changing the essential structural elements of the door
  • special shapes of the cover and glazing gaskets as well as appropriate fittings ensure high tightness against water and air penetration through the door
  • profiles are adapted to the assembly of many manually and automatically locked fittings available on the market
  • possibility to drive the door with the “HS-Master” automatic operated by a button or a remote control
  • safe use of even large and heavy doors thanks to the “Comfort close”
mechanism available in the system
  • high compatibility with the MB-86 system enables aesthetic connection of the MB-77HS door with windows and the use of common components for their production
  • a wide range of colors that allows you to arrange the door in any and independent interior design, both external and internal


  • Air permeability
  • Class 4PN-EN 12207
  • Watertightness
  • Class 9aEN 12208
  • Thermal insulation UW
  • > 0,84 W/(m²K)
  • Wind load resistance
  • up to class C4EN 12210

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