POLIEDRA-SKY
The system Poliedra-Sky 50 is part of the evolution process of METRA Systems for the building industry, enabling together with its versions Poliedra Sky 50 I and Poliedra Sky 50 S to building design and fabricate curtain walls or aluminium frameworks (combined with glass, stone or composite materials) of different shapes and dimensions, offering a wide range of functional and aesthetical solutions. The system rightly owes its name to the "polyhedral nature" of its constructive and application possibilities.

TECHNICAL DESCRIPTION OF THE SYSTEM

- Extruded aluminium profiles: alloy EN AW-6060 (EN 573-3 and EN 755-2).
- Temper designation: T5 (EN 515).
- Dimensional tolerances and thickness: EN 12020-2.
- Air-water tightness: by pressure equalization.
- Type of profile: with or without thermal break.

Application of glazing or building panels: from outside,
- with pressor profile (mullions and transoms system)
- by insertion into the frames ("standard" elements system)
- glued onto the frames ("structural" elements system).

Height of glazing seat: net 19,5 mm (usable 14 mm).
Glazing thickness: variable from 4 to 45 mm.
Basic dimensions of the system:
- Mullions: 50 mm wide, from 16,5 to 225 mm deep.
- Transoms: 50 mm wide, from 22 to 123 mm deep.