Rain Collection Roofs

This means you can capture about 62 gallons per sq ft.

Rain collection roofs. Water is often in short supply in the heat of summer so it s tempting to use roof runoff. Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. To get an idea how much water the roof of your own house might yield use the rainfall harvest calculator above. While metal roofing or plastic sheeting e g.

Greenhouse roof has the highest collection efficiency most surfaces are a ok. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. A metal roof for rainwater collection is a prime choice especially when the appropriate paint system is incorporated. 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.

The medium sized rain water collection system. Traditionally this involves harvesting the rain from a roof. 1 of rain on 1 000 sf roof will yield 623 gallons. When you look at the numbers it s surprising how much water you can collect every time it rains.

Read down the list for info on roofing materials for rainwater harvesting. 100 sq ft 62 gallons. Rain barrel supplies list. For every 1 of rain and 100 square feet of impermeable surface about 62 gallons are generated.

Don t let all that water go to waste. Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water. Example for every 1 of rain. To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.

Metal roofs for rainwater collection. When designing a rainwater collection you have to consider its durability. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof. Collecting the rainwater that runs off your roof is a great way to conserve an important natural resource.

Research indicates rainwater is safe for irrigating vegetables read the recent research from australia and wa dept. Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall. Rainwater collection systems can be as simple as collecting rain in a rain barrel or as elaborate as harvesting rainwater into large cisterns to supply your entire. 50 sq ft 31 gallons.

For every square foot of collection roof or the lid of the guzzler. Sample rainwater harvesting formula.