Tech Talk 9: Roof drainage systems

Risk advisory | August 2018
Whether you believe in climate change or not, the indisputable fact is property insurers are recording greater peak events with increased rainfall amount, intensity, frequency and duration. Such events are predicted to further increase in the future. Many roof designs are not able to cope with these changes and designers need to take increased rainfall intensity into account in future designs. All this translates into more frequent and larger water damage losses.
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