Forster · steel without a thermal break

Forster Presto

A single-chamber steel system without a thermal break, 50 mm deep. Built for interiors: partitions, entrance lobbies, shopfronts and unheated spaces or spaces with lower energy requirements.

It suits windows, doors, partitions, display cases and exhibition structures. Its strengths are the resistance of steel, slim industrial lines and versatility.

Technical characteristics

Reference figures for the system, as stated in the manufacturer’s datasheet.

50profundidade (mm)
36max. glazing (mm)
2juntas
1chamber
Nothermal break

* A system without a thermal break: not intended as the primary solution for the envelope of heated buildings. The final application and glazing are set by the project.

Onde se aplica

Presto was designed for interiors and for areas with lower energy requirements.

  • Interior partitions
  • Entrance lobbies
  • Montras e vitrinas
  • Unheated areas, or areas with lower energy demands
  • Interiors with a loft or industrial character

Outside these contexts, for the external envelope of a heated building, we recommend the thermally broken steel systems Forster Unico ou Unico XS.

Technical sections

Five junctions of the system to scale: frame, sashes and mullions. Click to enlarge.

60 mm window frame section
60 mm window frameThe compact base section of the frame, the system’s main illustration.
60 mm frame with sash, section
60 mm frame with sashThe typical opening-window junction with the compact frame. 73 mm sash.
70 mm frame with sash, section
70 mm frame with sashThe wider-frame variant with the same 73 mm sash.
50 mm fixed mullion section
Fixed mullion 50 mmA slim central mullion to divide the window. 73 mm sash.
90 mm fixed mullion section
Fixed mullion 90 mmA reinforced mullion for larger or structurally more demanding constructions.

Construction

A single-chamber system of 50 mm deep, without a thermal break, with two sealing lines and glazing up to 36 mm.

Applications

Interior partitions, tambores de entrada, montras, espaços não aquecidos e interiores de carácter industrial.

Finishes

Powder coating across the full RAL K7 palette or in a bespoke powder code. Colour samples can be seen in the showroom.

Frequently asked questions

Quick answers to the most common questions about Forster Presto.

Is Forster Presto suitable for external facades?

Presto is a single-chamber system without a thermal break, so it is not the right solution for the envelope of a heated building. It is intended mainly for interior partitions, entrance lobbies, shopfronts and unheated areas or areas with lower energy demands.

What glazing thickness is possible?

The system takes glazing up to 36 mm, with a 50 mm construction depth and two sealing lines.

Which colours are available?

Powder coating across the full RAL K7 palette or in a bespoke powder code.

What is the lead time and the warranty?

Manufacturing typically takes 6 to 8 weeks after the survey and order. Installation is carried out by our own team and the system carries a 10-year warranty.

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