Use our water catchment and water usage calculators below to make your selection easier! WATER CATCHMENT CALCULATOR. WATER USAGE CALCULATOR. SUMMARY. LITRES PER DAY. LITRES PER YEAR. RAIN HARVESTED. TANK SIZE. Roof Area (Sqr. Rainwater collected from a well-designed, well-maintained system can be suitable for all domestic uses. The more uses, the greater the savings in mains water.
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You should also ensure all your gutters, pipes and fittings are similarly suited to potable rainwater harvesting, and check any local Council or Government requirements. It's generally agreed that the most suitable roof materials for harvesting potable water are: COLORBOND® and ZINCALUME® steel (and similar aluminium, copper, galvanised. Roughly speaking, 1 millimetre of rain over 1 square metre of roof equals 1 litre of water. This capacity can be calculated using the following formula: Annual rainfall (in millimetres) x Roof surface area (in square metres) = Roof catchment capacity . The Best Roof Types for Rainwater Collection Stories Products Are you considering collecting rainwater, but not sure it will work with your roof or be safe? Check out our guide for answers to these questions and more. Standing Seam Metal If you're installing a new roof for the purpose of collecting rainwater, standing seam metal may very well be your best choice. A high quality enameled roofing material that is easy to clean, standing seam metal offers the highest collection efficiency available.
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Rainwater harvesting is the practice of collecting and storing rain for reuse, rather than letting the water run off and be absorbed into the ground or channeled into drains, streams, or. Safe Roofing Materials for Rainwater Harvesting. Drinkable rainwater can be collected from most roof types, including undamaged asbestos, Colorbond®, Zincalume® and galvanized steel. It is important to find out if the material or the paint used on your roof or in your gutters could contaminate your rainwater. To maximise rainwater collection, roof gutters must be installed to the Building Code and Australian Standard AS3500 - the Plumbing and Drainage standard. All roof guttering systems should meet these standards as a part of the building design. A design based on Australian Standard AS3500 will ensure that your roof gutters flow towards your. Rainwater harvesting is collecting the run-off from a structure or other impervious surface in order to store it for later use. Traditionally, this involves harvesting the rain from a roof. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.
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The average rainfall in the United States is about 30 inches per year. This means that for every square foot of roofing material, you can collect about 0.25 gallons of water during a rainstorm. So, using our example above, if your house has a 1,200-square-foot roof, you could collect 300 gallons of water during a rainstorm. Rather than depending solely on a region's public water supply, incorporating rainwater harvesting and collection systems can provide a supplemental source of water for drinking (the quality is often better than surface water), cleaning, irrigation and bathing.
How Much Water Can You Harvest from Your Roof? How much rainwater you can actually harvest from your roof. Fortunately, there's a rule of thumb for that too. Each square metre of roof space collects around 1 litre of water for everyone millimetre of rainfall. The idea is that if someone collects rainwater, they reduce the amount that would naturally flow into rivers or underground reserves. This could affect other people or wildlife that rely on these water sources. So, while it might seem strange, these laws are meant to protect everyone's access to water.
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The roof top rain water collection is the best way to address the conservation of this very vital natural resource. For personal service for your rainwater tank call now on 1300 88 94 90. Or Email you inquiry to
[email protected]. Rooftop rainwater collection acts as a replenishment of the resource and the water can be stored in. An average suburban roof of 200m 2 with such a rain fall can potentially harvest 100,000L of rainwater (200m 2 * 500mm = 100,000L). Keep in mind most rain falls over 2-3 months of a year. It isn't uncommon for an area to collect up to 350mm+ of rain in just one month, even in rural areas. When it is dry it can be dry, but when it.
