PVC parapet funnel on a flat roof

The use of a PVC parapet funnel on a flat roof of a private house.

The funnel is designed for installation on a parapet, and serves as an emergency or main drainage channel. The funnel is welded with hot air devices to the main waterproofing carpet and the PVC membrane adjacency to the parapet. Thus, a completely hermetic connection of the funnel and the PVC membrane is obtained.