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I'm another kiwi building a housetruck, and wondering if I could run some questions past you all.
The house is being built on an 8 metre steel framed curtainsider with a wooden deck, with a corrugated metal roof (called coloursteel here because the paint is bonded on). I want to collect rainwater and am trying to figure out if I can design guttering in that optionally feeds into the water storage tank (this is for washing water not drinking water).
I was thinking of running guttering along each side and having down pipes on four corners (because there is no way to control the drop on the guttering with parking and driving).
My concern at the moment is what happens when I'm parked on a hill or even driving on a hill, in heavy rain. Will the water just overflow the end of the guttering because there is too much drop and too much water for the downpipe to manage.
Is guttering a good idea on a moving truck? Does anyone know of any trucks I can look at online that have guttering? I've only seen one truck with guttering and it looks like a permanent parkup.
Any ideas much appreciated, including other ways of collecting rainwater while travelling.
many thanks,
kouka