How many LYSAGHT® Downpipes do I need to use on a house?
The number of downpipes required depends on the design and layout of the gutters. To calculate the capacity you need to refer to our information on how to Install LYSAGHT® Steel Roofing & Walling, "Chapter 6, Roof Drainage". This will give the formula to calculate the volume of water. Placement of the downpipes should be kept to a maximum of 10 metres apart for residential applications. Larger industrial gutters can space to a maximum of 18 metres.
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