Thanks to their flangeless design, alwitra® water spouts are especially well suited to challenging or restricted installation environments.
- Manufactured from rigid PVC, they are available either with a welding flange for EVALON®® waterproofing membranes or with a factory-fitted EVALON®® flashing collar, depending on the specification.
- In addition to versions for a range of pipe diameters, rectangular water spout options are also available.
Water Spouts
As emergency overflows, alwitra® water spouts form part of the alwitra® roof and emergency drainage system for non-trafficable roofs or extensive green roof areas finished with EVALON® waterproofing membranes. They are designed for horizontal installation through the parapet wall.
Advantages
- Available in various standard DN diameters
- They provide exceptionally high discharge performance, even at low ponding heights.
Applications
- Suitable for horizontal installation, e.g. through a parapet
Product Details Back to top
Product Specification
| Material: | rigid PVC, impact resistant, UV stabilised |
| Pipe dimensions: | DN 50 (OD 50 mm), DN 70 (OD 75 mm), DN 100 (OD 110 mm) |
| Pipe length: | 500 mm, special lengths on request |
| Connecting flange: | EVALON®® 1.5 mm, factory-fitted |
| Colour: | pipe: black; connecting flange: white, light grey, slate grey |
| Installation orientation: | for horizontal installation only |
| Min. ponding height: | approx. 10 mm |
| Optional: | aluminium base plate for flashing against the vapour barrier |
Technical Drawings


