Functional construction of high use level and easy opening:
- PVC or wood profiles with aluminum panels,
- rotation axis in superior and central part,
- installation scope 15 – 55°,
- the possibility of krypton implementation as filler,
- thermal insulation Uw = 1,30 W/(m2K)*,
- handle in inferior part of the sash,
- polyurethane cover for humid rooms,
- the possibility of installation of ventilation grille.