alwitra flat roof drainage
For rainmakers and the water shy

Flat roof drainage

Ready for the next rain

Torrential rain, storms and heavy rainfall place specific demands on flat roof drainage. alwitra rainwater outlets, emergency outlets and water spouts are designed for use in the roof drainage systems described in the technical documentation. With appropriate planning, hydraulic sizing and installation, these components support the drainage of flat roofs. The required configuration depends on the roof design, local rainfall conditions and applicable technical requirements. Consult the relevant product documentation for performance data, applications and installation instructions.

Advantages

Perfectly matched! Flat roof drainage by system

Matched: to the special requirements of roof and emergency outlets for low slope roofs
Efficient: optimised inlet geometry providing both a high discharge rate and a low ponding height
Resistant: made of highly impact-resistant polypropylene (PP)
Comprehensive: a large product range for EVALON® and EVALASTIC®.
Flexible: secure, professional flashing against EVALON® and EVALASTIC® and almost any other vapour control sheets
Safe: tested by TÜV Rheinland LGA Products GmbH according to DIN EN 1253

The alwitra flat roof drainage system consists of

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