High-quality natural pinewood coated with impregnation and layers of water-based acrylic clear lacquer or white paint.
- The sash can remain open in any position up to an angle of 45°.
- Bottom handle for convenient operation.
- Ventilation flap and integrated dust and insect filter.
- Maintenance-free exterior covers.
- Can be installed in roof pitches between 15° and 55°.
- Installation in roof pitches from 55° and 75° is possible, but specially manufactured springs must be ordered.