Architect | Workshop | Jansteel


This profile series was specially developed for the refurbishment of industrial and loft glazing as well as heritage windows. Typically finely proportioned windows in the Bauhaus style can be almost perfectly reconstructed with the extremely ultra-slimline, thermally broken profiles. Also available Art System 20 mm. Extremely slim profiles not thermally broken.

Materials / surface finishes

Uncoated steel or hot-dip galvanised steel strip, suitable for powder-coating or stove-enamelling 

Element types

Single- and double-leaf doors with and without fixed side panels or skylights 

Sheet metal clad doors with or without vision panels 


Welded or screw-on hinges in steel 

Designer glazing frames 

Special technical features

Special geometries (arches) 

Installation depth 60 mm 

Test certificates

CE marking in accordance with product standard EN 14351-1 

Coefficient of thermal transmittance Uw > 1.4 W/m2K 

Tightness against heavy rain class 9A (600 Pa) 

Air permeability class 4 

Resistance to wind load class 4 (1,600 Pa) 

Thermal break in accordance with EN 14024