Rain Water Harvesting On Roof

The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.

Rain water harvesting on roof.

Rainwater collection calculation formulas and equations roof area ft2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. Around 600 gallons of rainwater can be harvested from about one inch of rain if it falls from a thousand square foot roof. As your roof surface is the catchment area for harvesting rainwater it s important to know how large or small it is so you can calculate how much rainwater you can expect to harvest. Traditionally this involves harvesting the rain from a roof.

Greenhouse roof has the highest collection efficiency most surfaces are a ok. Building a rain roof as another option to harvest rainwater for home garden or livestock use. Asphalt shingles many shingles work with rainwater harvesting. There s just a short list of rooftop surfaces that rainwater harvesters should avoid.

The good news is most roofing materials are suitable for rainwater harvesting. Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use. Simple practices like amending soil with compost mulching and smart watering are the first steps to storing and conserving water. The rooftop rainwater harvesting is a method from which rainwater is captured from the roof catchments which is then stored in reservoirs and by adopting artificial recharge techniques to meet the household needs through storage in tanks harvested rainwater can be stored in the sub surface groundwater reservoir.

1 of rain on 1 000 sf roof will yield 623 gallons roof area m2 x precipitation amount mm amount collected liters. Specifically this is set up for my rainwater garden area but c. Tin tin is one of the best rainwater harvesting roof materials to have on a project. There is very little water loss with tin around 5 and no worries of contaminants leaching out from the tin with an approved nsf 61 coating.

Doesn t that sound like a lot of water that you could harvest and use for free. Sizing a catchment area the size of the catchment area or roof will determine how much rainwater that you can harvest. Well we thought so too. Rain water harvesting usually involves larger cisterns or multiple barrel systems that can store enough water to help water landscapes during our long dry summers.

That is why my husband and i began harvesting our rainwater. While metal roofing or plastic sheeting e g.