Forster · thermally broken steel

Forster Unico

A thermally insulated steel system for windows, doors, facades and space frames. Suited to buildings with heightened energy-efficiency requirements.

The stainless-steel thermal break cuts heat loss and stabilises the structure while keeping the slim look characteristic of steel profiles.

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Technical characteristics

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

1,3Uw at Ug = 0.6 (Ultimate spacer)

70profundidade (mm)

60max. glazing (mm)

3juntas

Inoxthermal break

* Uw quoted for the 1200 × 1480 mm reference window. The actual figure depends on the size, the glazing, the spacer and the configuration.

System construction

Galvanised steel profiles with a stainless-steel thermal break.

70 mm construction depth
Glazing up to 60 mm
Galvanised steel profiles
A stainless-steel thermal break, which further stabilises the structure
Three sealing lines
Powder coating across the full RAL K7 palette and, on request, in other colours by powder code

For even slimmer sightlines, see the Forster Unico XS. For interior applications with no thermal requirement, the Forster Presto.

Technical sections

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

Base window frame section — **Base window frame**Main section through the system frame. 30 mm frame.

Frame with 70 mm sash, section — **Frame with 70 mm sash**The typical opening-window junction with the deeper sash. 30 mm frame, 70 mm depth.

Frame with 60 mm sash, section — **Frame with 60 mm sash**The more compact opening variant. 30 mm frame, 60 mm sash.

50 mm fixed mullion section — **Fixed mullion 50 mm**A compact mullion between window sections. 70 mm sash.

70 mm fixed mullion section — **Fixed mullion 70 mm**A wider mullion for structures that need a larger central section.

Thermal performance

Uw de 1,3 W/m²K at Ug = 0.6 with an Ultimate spacer, on the 1200 × 1480 mm reference window.

Applications

External steel windows and doors, facades, loft projects and buildings with heightened insulation requirements.

Finishes

Powder coating across the full RAL K7 palette and, on request, in other colours by powder code. As amostras podem ser vistas no showroom.

Frequently asked questions

Quick answers to the most common questions about Forster Unico.

What is the thermal performance of Forster Unico?

Uw de 1,3 W/m²K at Ug = 0.6 with an Ultimate spacer, on the 1200 × 1480 mm reference window. The actual figure depends on the size, the glazing, the spacer and the configuration.

What glazing thickness is possible?

The system takes glazing up to 60 mm, with a 70 mm construction depth and three sealing lines.

Which colours are available?

Powder coating across the full RAL K7 palette and, on request, in other colours by 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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