While metal roofing or plastic sheeting e g.
Roofing for rainwater 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.
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.
To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.
Rainwater harvest calculator length.
Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall.
Here are a few of the best types to make that happen.
Depending on what kind of metal roofing you get affects the price but they are all great for collecting.
Greenhouse roof has the highest collection efficiency most surfaces are a ok.
Some roofing materials aren t suitable for rainwater collection.
There s just a short list of rooftop surfaces that rainwater harvesters should avoid.
Installing a metal roof that is galvanized is a great investment.
Here at destin roofing we get questions all the time about having a roof that is able to collect 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.
If there s lead chromium or cadmium in the roof materials soldering flashings paint or any other part of the roof you shouldn t collect rainwater from the roof.
The medium sized rain water collection system.
Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons.
Don t let all that water go to waste.
The good news is most roofing materials are suitable for rainwater harvesting.