Steel Series

Slim-Profile Steel Doors & Windows

Hot-rolled steel profiles with ultra-narrow sightlines for maximum glazing area and dramatic architectural expression.

Slim-Profile Steel Doors & Windows

Our steel door and window systems are crafted from hot-rolled steel profiles, offering the narrowest sightlines in the industry — as slim as 20mm. The result is a stunning wall of glass framed by elegant, dark steel. Ideal for architects seeking to make a bold statement with industrial or modern minimalist aesthetics.

Technical Specifications

Frame MaterialHot-rolled carbon steel, S235JR grade
Profile Depth40mm – 80mm, depending on structural requirements
Sightline20 – 25mm (narrowest in class)
GlazingDouble or triple pane, low-E, up to 42mm thick units
U-Value Range1.2 – 1.6 W/m²K
FinishZinc primer + polyester powder coat (RAL palette) or patina
Max Panel Weight350 kg per leaf
Max Panel Height3,500 mm
Fire RatingEI30 / EI60 available
Warranty10 years on frame and finish

Available Configurations

Pivot DoorCenter or offset pivot, up to 350 kg
Sliding DoorLift-and-slide mechanism, multi-track available
Bi-Fold DoorFolding panels, top-hung or bottom-rolling
French DoorClassic double-leaf, inward or outward opening
Fixed WindowNon-operable, matching steel profiles