MB-79N SI+
MB-79N SI+
Single or double leaf doors made in this system meet increased thermal and acoustic requirements, which can be attributed to its structure with applied sealing including a threshold with a thermal break. As standard:
- 3-point espagnolette
- 3 two-winged hinges
- Ug = 1,1 W/(m2K) glass
- warming insert
- threshold with a thermal break
- aluminium handle
- mounting insert


Infill patterns
Some patterns are available in their mirror image.
Door structures
Modern architecture calls for ever greater freedom in designing exterior doors of different sizes, shapes and styles. These choices affect the doors’ appearance, as well as their stability, rigidity and durability. The dividing profiles used in DRUTEX doors significantly increase the rigidity of the structure while allowing a wide range of layouts and patterns. The sections they create can be filled with glass or decorative panels, making it possible to design individual compositions that suit both the door and the building.
Aluminium door colour range
Choose the colour that suits you Over 200 RAL colours. We offer smooth matt and metallic paints that have a texture or have the so-called special effects (mainly wood-like).

We make every effort to ensure that the images shown reproduce the actual colours of the products as accurately as possible. Please note, however, that due to individual monitor and graphics card settings, the displayed colours may differ from the originals.
Glass
With over 40 years’ experience in the manufacture of insulating glass units, DRUTEX offers a very wide range of glazing options for your windows and doors. They meet strict requirements for energy efficiency and sound insulation. The offer also includes laminated glass (safe and burglar-proof), sun protected glass, glass with enhanced sound insulation, tempered, ornamental and sandblasted glass.
Additional options
Door thresholds
An extremely important element of all entrance doors is the threshold. It determines not only the energy-saving qualities of the system but also the comfort of use.
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Mounting accessories
Here you will find the products necessary for proper installation of joinery.
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Reliable fittings
MACO fittings are the perfect solution in terms of security and functionality of windows and doors made of PVC, aluminium and wood.
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Sandblasted glass
Express your unique style on your windows and doors. We offer the possibility of creating any sandblasting pattern in three shades of gray.
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Spacers
Galvanised steel frame is the standard. Hoever It is possible to choose the Swisspacer Ultimate warm frame.
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Door handles and pull bars
Our handles for windows, doors and terrace systems made of PVC, aluminium and wood are distinguished by their high aesthetics, functionality and durability. Thanks to various colour options, they can be perfectly matched colour of the windows, doors, or the colour scheme of the building.











Compare products
| Technical data | MB-79N SI+ | MB-86N SI | MB-70HI | MB-45 | MB-78EI Fire-Doors | MB-70 |
|---|---|---|---|---|---|---|
| Number of chambers | 3 | 3 | 3 | 1 | 3 | 3 |
| Installation depth | 70 mm | 77 mm | 70 mm | 45 mm | 78 mm | 70 mm |
| Number of gaskets | 3 | 2 | 2 | 2 | 2 | 2 |
| Thermal transmittance | Ud = 1,0 W/(m2K)*
| Ud = 0,83 W/(m2K)* | Ud = 1,2 W/(m2K)* | — | Ud = 1,6 | Uw = 1,3 W/(m2K)* |






