- Glued beam made of three lamels with different direction of tree rings
- 78 mm, 92 mm beam width
- 38 mm, 42 mm, 56 mm glazing
- Lower part of a frame is covered with aluminium drip edge from the outside
- Possibility of producing of constructions from a combined beam. Possibility of putting a lamel made of valuable wood instead of one pillar lamel from the inside
- Possibility of decorating of glass units with crossbars and duplex
Manufacture of wooden, PVC and aluminum window structures