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Ventilated glass facades - the building gains lightness and modern style!

07 of July '21

Facade - ST-System ventilated glass facade.
From the series "Modern facade and wall materials - trends 2021".

Ventilated glass facades are an ideal solution, eagerly used in new and existing buildings. Glass facades make any building gain lightness and modern style. Architects and designers use them in public buildings, for example: hotels, restaurants, sports halls or car dealerships. The system consists of a unique aluminum structure, tempered glass in any shape and color, and thermal insulation.

Infant Jesus Clinical Hospital - Warsaw, Poland

© Stefania

Façade - gravity-ventilated glass façade is a shielding and decorative layer, as an element of finishing the external surface of the building wall.

The facade is made of 8 mm thick tempered glass ESG + HST, finally installed in a frameless system. As a cladding, glass is used, for example, RAL enamel, Lacobel T, Matelac T, reflective glass. The edges of the glass panes are treated in the form of grinding.

Horizontal and vertical ventilation gaps of 10 mm should be left between the glass sheets. From the underside of the cladding, within the plinth, it is necessary to provide access to air, and in the upper part - its exit. Any joints between the glass and the system structure should be separated with EPDM expansion and spacer elements.

Hotel Spichlerz - Strzelce Opolskie

© Stefania

The glass is fixed point-wise with filigree aluminum brackets 5 mm thick, 15×35 mm in size, which are beveled 4 mm deep and 5 mm high. They are made of special structural aluminum, then powder-coated in RAL color. The brackets are to be placed between successive sheets of glass, with an even 10 mm horizontal joint. They are connected to the aluminum mullions with a stainless steel rivet, with an A2 grade stainless steel pin. Aluminum system mullions, anodized or powder-coated black, are attached to the consoles with A2-class stainless screws. The consoles are attached to the face of the building with galvanized steel stud bolts. Thermal stoppers should be used between the system structure and the wall.

Insulation of the building is achieved through the use of Rockwool mineral wool with black veil, which is fixed to the substrate with dowels with plates in black.

WENA office building - Olawa

© Stefania

ST-System has:

  • ITB - Classification of reaction to fire - A1
    No. LZP01 - 0868/17/Z00NZP, February 2017
  • ITB - Technical opinion on the fall off of ventilated glass facade in case of fire WT § 225
    No. 02351/17/Z00NZP, December 2017

Aesthetics, durability and installation

The use of tempered glass cladding on buildings increases its aesthetics, prolongs the life of the facade, and the lagging system with a ventilation gap dries the walls of diffusion vapor and the installation system, which significantly improves the thermal insulation of the building.

An important feature of modern glass facades is optimal installation costs. They are easy to install, safe to use (the risk of breakage and damage is negligible, due to the excellent properties of tempered glass). Thanks to the appropriate design of the brackets, as well as large panes of glass and adequate spacing between the supporting profiles, it is easy to connect successive elements of the structure together.

For more information, visit the company's Stefania page on the A&B portal.

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