
The elegance of steel, perfected in aluminium
Casement
Our solutions combine steel's timeless aesthetics with aluminium's exceptional performance. Ultra-thin profiles maximise light and panoramic views, creating architecture where every opening becomes a picture.

Invisible handle
The first invisible handle on the market. An exclusive handle integrated into the sash, imperceptible from the front. The aesthetic is totally clean — simulating a fixed element, while actually being an opening and tilt-and-turn system.

Invisible hinges
Optional invisible hinges that consolidate the aesthetic purity of the whole. Every technical element withdraws from view, leaving only the geometric clarity of the design.

Hidden sash
A clean design where the sash hides behind the frame, maximising the glass area and light. With an aluminium sightline of just 66 mm, this is not a window — it's a picture.

Hidden drainage
Minimising the aesthetic impact of window components. Compatible with all 70 and 80 mm depth systems. A gasket integrated into the lower frame replaces front-mounted drainage covers.
Product lines
Alu-Steel
Combining aluminium's excellent performance with steel's timeless aesthetics. With an aluminium sightline of just 72.5 mm, ideal for renovations and new builds.
COR 80 Hidden Sash
85% glass area, 45 mm thermal break and triple glazing. Exceptional thermal and acoustic performance.
COR 80 Passivhaus
Certified for passive or low-energy houses. Exceptional thermal insulation through foam integrated into the frame and sash.
COR 70 Hidden Sash
Not a window, but a picture. 66 mm aluminium sightline, invisible handle, invisible hinges and hidden drainage.
Every project begins with a conversation. Tell us about your space.
