Drainage channel with central slot

concreteroofrainwater

Precast channelling is primarily used to collect water from the roof, and also service to support the precast wall coverings; it also lends greater rigidity to the structure. Depending on the spans, this unit can be manufactured in either reinforced or prestressed concrete. In addition, this unit requires exterior waterproofing to ensure a perfectly watertight seal against rainwater. The available models are: H-40 H-50