Monotub DD is a circular column formwork made of an extruded multi-layer sheet composed of polyethylene, aluminium and kraft paper.
The sheet is waterproof and offers high mechanical resistance.
Monotub DD is thinner than a cardboard tube therefore it is very light and quick to set up, and at the same time it is guaranteed to withstand the pressure from the concrete.
The circular formwork Monotub DD can be used for columns over 6 metres high. It is waterproof and can be stored outdoors in the building yard, maintaining its mechanical resistance even being left in the rain.