Roof For Water Collection

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 for water collection.

Read down the list for info on roofing materials 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. Rainwater collection calculation formulas and equations. The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel.

Well we thought so too. Roof area m2 x precipitation amount mm amount collected liters. While metal roofing or plastic sheeting e g. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.

There s just a short list of rooftop surfaces that rainwater harvesters should avoid. Doesn t that sound like a lot of water that you could harvest and use for free. Traditionally this involves harvesting the rain from a roof. For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain.

Roof area ft2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. Installing a metal roof that is galvanized is a great investment. Depending on what kind of metal roofing you get affects the price but they are all great for collecting rainwater. Dirt and germs can be washed into collected rainwater from the roof especially when rain follows several days of dry weather 3 4 9.

Don t let all that water go to waste. Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall. A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern. Typically a roof acts as the main collection source.

The cistern supplies water to the household through a standard pressurized plumbing system. 1 of rain on 1 000 sf roof will yield 623 gallons. 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.

That is why my husband and i began harvesting our rainwater. Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use. Greenhouse roof has the highest collection efficiency most surfaces are a ok. The good news is most roofing materials are suitable for rainwater harvesting.