Notes on using the Eaves Gutter & Downpipe Sizing Calculator
The More Down Pipes function In Table 3.5.2, downpipes are sized on gutter area. Sizes jump from one size to the next available size. For instance a 125 diameter downpipe jumps to 150 dia. there are no sizes in between. So, if using the More Down Pipes function, all the in-between sizes are calculated.
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