- for construction necessary we are producing spiral cunning construction tubes
- construction tubes are build in all concrete constructions (ceiling, wall, bridge,...), becouse of that the construction is lighter and we reserve a building materials and it can also be used for installation and ventilation canal.
At round constructions (column, carrier,...) construction tubes can be used for panelling.

Dimension
- inside diameter to 500 mm
- wall thickness to 15 mm
- lenght to 6 m