Rainwater Collection System Roof

External j amer water res assoc.

Rainwater collection system roof.

Metal roofs provide the cleanest and most efficient surface. How much rainwater can you harvest from your roof. The idea of rainwater harvesting usually conjures up images of an old farm cistern or thoughts of developing countries. While metal roofing or plastic sheeting e g.

The use of toxic materials such as lead flashing for tile roofs should be avoided. 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 household demand. Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. Potable rainwater collection systems utilize a variety of roofing materials as collection surfaces.

Rainwater harvesting is legal in illinois but with two major statutes. The good news is most roofing materials are suitable for rainwater harvesting. House bill 991 2011 amended the homeowners solar rights act it requires that within 120 days after a homeowners association the association shall adopt. This means a metal roof rainwater collection system will produce water with less of the disease causing microorganisms.

There s just a short list of rooftop surfaces that rainwater harvesters should avoid. Ahmed w gardner t toze s. To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.

Greenhouse roof has the highest collection efficiency most surfaces are a ok. Earthminded diy rain barrel diverter and parts kit water collection system to convert containers into rain barrels catch rain water for outdoor chores rbk 0001 4 6 out of 5 stars 644 31 98 31. Other materials such as tile and composition shingles are successfully used. Microbiological quality of roof harvested rainwater and health risks.

Health risks associated with consumption of untreated water from household roof catchment systems. Galvanized metal roofing especially is recommended for rainwater harvesting because the panels will be coated with a later of zinc which seals the metal panels prevents rusting and lowers the levels of iron in your water. A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern. The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel.