Roof For Water Collection

Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use.

Roof for water collection.

1 of rain on 1 000 sf roof will yield 623 gallons. Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall. If your average rainfall was 25 inches year your annual collection potential is 1 120 x 25 28 000 gallons year. While metal roofing or plastic sheeting e g.

The cistern supplies water to the household through a standard pressurized plumbing system. Well we thought so too. Read down the list for info on roofing materials for rainwater harvesting. Depending on what kind of metal roofing you get affects the price but they are all great for collecting rainwater.

Around 600 gallons of rainwater can be harvested from about one inch of rain if it falls from a thousand square foot roof. Traditionally this involves harvesting the rain from a roof. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. Rainwater collection calculation formulas and equations.

For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain. Don t let all that water go to waste. Roof area m2 x precipitation amount mm amount collected liters. The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel.

The good news is most roofing materials are suitable for rainwater harvesting. You can make a rainwater collection system for under a hundred dollars and store hundreds of gallons of water to use for your garden or other purposes. Installing a metal roof that is galvanized is a great investment. Doesn t that sound like a lot of water that you could harvest and use for free.

Greenhouse roof has the highest collection efficiency most surfaces are a ok. The water is collected in the gutters moves through the downspouting and then finally collects in some sort of storage container. Typically a roof acts as the main collection source. Roofing materials gutters piping and storage materials can introduce harmful chemicals like asbestos lead and copper to the water though building standards minimize some of this 6 8.

They are covered with a zinc layer that seals the metal and iron from getting into your water. A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel. That is why my husband and i began harvesting our rainwater.