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rainwater catchment

Butterfly Roof Plans? - rain funnel?

Sharon Nanfelt

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posted 3 years ago

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Hi All,

Does anyone have a simple building plan for a butterfly-shaped roof for rainwater collection? I tried to use SketchUp for the first time and only came up with this concept.

As you can imagine I am hoping to funnel rain down the two sides into a rain barrel at the corner of my garden.

Thanks for your guidance or direction!
Sharon

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Sharon
https://www.ferneycommonground.com/

Anne Miller

steward

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Location: USDA Zone 8a

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posted 3 years ago

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We do a water catchment similar to what you are suggesting. Ours are stand-alone so not what you want to do.

Recently we had another member asking a similar question so maybe this thread might offer ideas or be of some help:

https://permies.com/t/155988/IBC-tote-large-funnels

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Abe Coley

pollinator

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Location: Missoula, MT

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posted 3 years ago

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These kinds of roofs are easy and fun to build: https://en.wikipedia.org/wiki/Saddle_roof

My tree nursery: https://mountaintimefarm.com/

Anne Miller

steward

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Sharon, maybe it would help our readers to know what materials you plan to make your butterfly roof?

https://en.wikipedia.org/wiki/Butterfly_roof

Besides rain catchment will it be used as a patio or play yard?

Invasive plants are Earth's way of insisting we notice her medicines. Stephen Herrod Buhner
Everyone learns what works by learning what doesn't work. Stephen Herrod Buhner

R Scott

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Location: Kansas Zone 6a

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posted 3 years ago

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Your sketch up is a simple valley in standard construction terms.

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John C Daley

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Location: Bendigo , Australia

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You need to use a 'box gutter'.
They sit in a space created below the both roof lines,are much bigger than normal spouting and are shaped so they cannot overflow into the building.
They exit the roof line at a wall, usually with a rainhead that regulates the flow through the downpipes.

John Daley Bendigo, Australia The Enemy of progress is the hope of a perfect plan
Benefits of rainfall collection https://permies.com/t/88043/benefits-rainfall-collection
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