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.

Depending on what kind of metal roofing you get affects the price but they are all great for collecting rainwater. Roof area ft2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern. For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain.

Rainwater collection calculation formulas and equations. Don t let all that water go to waste. Read down the list for info on roofing materials for rainwater harvesting. Greenhouse roof has the highest collection efficiency most surfaces are a ok.

Typically a roof acts as the main collection source. The cistern supplies water to the household through a standard pressurized plumbing system. If your average rainfall was 25 inches year your annual collection potential is 1 120 x 25 28 000 gallons year. Around 600 gallons of rainwater can be harvested from about one inch of rain if it falls from a thousand square foot roof.

That is why my husband and i began harvesting our rainwater. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel. Traditionally this involves harvesting the rain from a roof. 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. Well we thought so too. Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall.

The water is collected in the gutters moves through the downspouting and then finally collects in some sort of storage container. The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel. While metal roofing or plastic sheeting e g. 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.

Roof area m2 x precipitation amount mm amount collected liters. They are covered with a zinc layer that seals the metal and iron from getting into your water. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. 1 of rain on 1 000 sf roof will yield 623 gallons.