Allowing the high volume of water to flow over the roof will damage the shingles and cause them to wear prematurely.
Rain water on roof.
Specifically this is set up for my rainwater garden area but c.
Take the dimensions of the footprint of your roof and convert them to inches.
Gutters and a downspout.
So a 50 x 20 roof is 600.
Concrete tile may leave you with alkalinity in your water but this isn t necessarily a problem.
Wondering how much rainwater you could collect off your roof.
To get an idea how much water the roof of your own house might yield use the rainfall harvest calculator above.
Use this rainwater harvesting calculator to find the answer.
Building a rain roof as another option to harvest rainwater for home garden or livestock use.
Earthminded diy rain barrel diverter kit water barrel rain barrel adapter kit includes spigot and downspout diverter for 3 x 4 inch downspouts f rn097 4 6 out of 5 stars 183 39 99 39.
Take a guess what is the volume of water that runs off a 1 000 square foot roof during a 1 rain storm.
Spreading the flow over the roof in this way will not alleviate the damage that is caused.
Rain barrel supplies list.
Even if you turn the spout adjacent to the slope it will still cause damage to the roofing.
If you don t already have rain gutters on your house this one time investment is the biggest cost you ll face.
The collectable rainwater from the roof can be calculated in gallons using this calculator based on the rainfall and area.
To calculate the runoff from any given rainfall.
Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water.
The answer is about 623 gallons.
Rainwater collection calculator in gallons.
With over 600 gallons of high quality water available from a single inch of rain falling on 1000 square foot surface even an 85 collection efficiency estimated for clay tile will give you a lot of high quality water.
Rainwater can be collected from the roofs using the rain water harvesting method.