Usage:
Popular design in the South of Europe.
Used in a residential constructions in the external structures as a window, or a balcony and a terrace door. May also serve as construction for building up a balcony.

Features:
Sliding windows and doors have limited dimensions. Sashes with the brushed gasket and trolleys mounted in their lower part. In two-part windows – the possibility of independent opening each of the sashes.
Treshold – frame type.

Equipment:
Standard: inserted handle
Optional: handle on the active side

Advantages:
– saving space inside the room,
– Easy handling.

Disadvantages:
– low thermal parameters,
– low air-tightness,
– limitation of dimensions and weight

Made on:
Dedicated systems (uPVC and aluminum)