Roof Drainage Systems

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Roof Drainage Systems


A comprehensive understanding of the performance of box gutters and downpipes is critical to ensure a successful building roof drainage system design. Poorly designed roof drainage systems can result in significant damage to a building's structure and contents. Current codes and standards used to regulate box gutter and downpipe designs in Australia have often been limited by a lack of empirical research studies and they often do not reflect the complex flow environments experienced in real roof drainage systems.

A new, full-scale roof drainage research facility has recently been constructed at the University of the Sunshine Coast in Australia to undertake research into how performance-based testing of box gutters, downpipes and overflow systems can be used to improve understanding of the hydraulic conditions that occur during common and extreme rainfall events.

This project is funded and supported by the AHSCA Research Foundation.

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