Lift and slide door is an ideal offer for connecting rooms or winter gardens with external environment, provide comfortable access to a balcony, terrace or open space of a garden. They enable a very good contact with environment and, when opened, do not occupy much space, which additionally increases comfort of its use. MB-77HS system includes products of best parameters and fulfils all requirements for the group of products. It has two structural variants differing in thermal insulation, namely ST and HI. The structure of profiles makes it possible to delivery exclusive doors with various measurements, filled with one- or double-chamber glazing and materials and technical solutions used ensure a high degree of thermal and acoustic insulation. Owing to its properties, the system proves excellent both in detached houses and comfortable apartments or hotels.

Functionality, aesthetics and advantages of the structure

• durable and slim profiles make it possible to deliver low-threshold door with its wing weight of 400 kg, height of up to 3.2 m and width of up to 3.3 m
• a wide range of fillings considers use of one- or double-chamber sets as well as thermal break and additional accessories and insulation inserts result in very good thermal and acoustic parameters of the structure
• special shapes of cover and glass gaskets and appropriate fittings ensure high tightness preventing penetration of water and air through the door
• profiles are adjusted to assembly of numerous fittings available in the market, including manually lockable and automatically lockable fittings
• a high degree of compatibility with MB-86 system enables aesthetic combination of MB-77HS door with windows and use of common components for production of the same
• a wide range of colours allows to arrange the door in any manner and independently of both external and internal decoration

Technical parameters of MB-77HS door: Air permeability: class 4, EN 12207 Water resistance: class 9A, EN 12208 Thermal insulation: Uf od 1,4 W/(m2K) Wind load resistance: up to class C4, EN 12210

* - Uw for MB-77 HS HI door with wing measurements of 3000x2900 with glazing Ug = 0.5  W/m²K with Chromatech Ultra frame