Jansen
https://www.jansen.com/en/index.html
Jansen tec 80-1
A sustainably strong solution! Add-on structure of mullion-transom design for steel and wooden substructures featuring a face width of 80 mm. Its design advantages include its suitability for 0° roof glazing. Another compelling functional advantage is that Jansen tec 80-1 meets passive building requirements.