Architect | Workshop | Jansteel


The slender profile face widths of Janisol windows provide the space for creativity and lend the building a quite special character. Whether it is sash bar variants, arched windows or large-glazed elements: the Janisol window system is particularly suitable for use in new buildings as well as for the refurbishment of existing buildings.

Materials / surface finishes

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

Stainless steel 1.4401 untreated or polished 

Window and opening types

Side-hung, turn-tilt, bottom-hung, top-hung and double-vent windows 

Horizontal pivot windows   

Fixed lights 


Electric control 

Concealed or surface-mounted fittings 

Integrated or fitted electric drives 

Special technical features

Special geometries (circular arches, trapezoidal windows etc.) 

Structural glazing openings as special solution 

Installation depth 60/64 mm 

Test certificates

CE marking in accordance with product standard EN 14351-1 

Coefficient of thermal transmittance Uw > 1.0 W/m2K 

Airborne sound insulation Rw 45 db 

Tightness against heavy rain class 8A 

Air permeability class 4 

Resistance to wind load class C5/B5 

Burglary protection WK (RC) 1-3 

Bullet proofing FB4/NS 



Thermal break in accordance with EN 14024