Don t let all that water go to waste.
Roof for water collection.
The cistern supplies water to the household through a standard pressurized plumbing system.
Roof area ft2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember.
Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use.
Dirt and germs can be washed into collected rainwater from the roof especially when rain follows several days of dry weather 3 4 9.
Depending on what kind of metal roofing you get affects the price but they are all great for collecting rainwater.
A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern.
While metal roofing or plastic sheeting e g.
The water is collected in the gutters moves through the downspouting and then finally collects in some sort of storage container.
If your average rainfall was 25 inches year your annual collection potential is 1 120 x 25 28 000 gallons year.
There s just a short list of rooftop surfaces that rainwater harvesters should avoid.
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.
Around 600 gallons of rainwater can be harvested from about one inch of rain if it falls from a thousand square foot roof.
Read down the list for info on roofing materials for rainwater harvesting.
Typically a roof acts as the main collection source.
Roof area m2 x precipitation amount mm amount collected liters.
Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall.
The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel.
For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain.
Rainwater harvesting is the process of collecting run off rainwater from a building in order to store it for later use.
The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.
They are covered with a zinc layer that seals the metal and iron from getting into your water.
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 good news is most roofing materials are suitable for rainwater harvesting.
Installing a metal roof that is galvanized is a great investment.
Rainwater collection calculation formulas and equations.
Well we thought so too.
1 of rain on 1 000 sf roof will yield 623 gallons.