T. H. Thomas, (1997)
The way that rain falls off an unguttered roof is discussed and supported by findings from laboratory experiments. The purpose of, and the constraints upon, guttering are identified. The principles of guttering design are developed and trade-offs between cost, effectiveness in intercepting run-off, capacity to carry flow and architectural impact are discussed. Several low-cost guttering variants are identified, as are different ways of fixing gutters onto simple buildings. Initial field trials in Uganda are reported.
Note: much of this material is superceded by WP56 - The Optimum Sizing of Gutters for Domestic Roofwater Harvesting