Lift and slide door system
Gemini SI STANDARD
This System is a new design of lift-slide doors, based on structural solutions developed by “Sigenia” Company. This is a traditional lift-and-slide door construction, comprising an active (running) leaf and a passive leaf.


The system uses a glazing system from the outside, using aluminium strips. As an alternative, a conventional glazing system can be used from the inside.

Design & functionality
System corners joined at 45º.
Corner joints with „invisible weld” technology to guarantee a smooth, uniform surface.
Mechanical jointing of corners using fasteners with visible cut edges.
Gemini SI STANDARD is available in systems: LINEAR, QUADRAT, QUADRAT FB.
Modern glazing system from the outside with aluminium strip or traditional glazing from the inside.
Sliding doors in the Gemini SI Standard system can be made according to the schemes: A, C, G2, G3 and K
Can be used for 68-78-88-92 mm wood thickness
Recommended height for wooden sash is 100 mm. Optionally, it can be used with sash which height is 118 mm, 132 mm or 150 mm.
Technical drawings
GEMINI SI STANDARD

Download files
Product sheet
Gemini SI Standard