Roof Design To Collect Rainwater

If you don t have a roof garden though you can still collect rainwater and use it.

Roof design to collect rainwater.

For single storey homes your roof surface area will often be greater than your floor area unless you have a flat roof. So if you want to do your own rainwater harvesting but are also on a budget then consider this option. You can t go wrong with those classifications. While metal roofing or plastic sheeting e g.

A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern. You do not need a special gutter for harvesting rainwater. A homeowner living in an area that receives 12 inches of rain annually can collect up to 10 000 gallons of water from a 1 500 square foot roof according the american rainwater catchment systems. It looks pretty good from a visual standpoint too.

The good news is most roofing materials are suitable for rainwater harvesting. Rainwater collection calculation formulas and equations roof area ft2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. So this option equates to functional and pleasant to look at. In most locations today you will find that most people build their houses with roof gardens that will absorb the rainwater.

Amount of water since los angeles is commonly plagued by drought you may be wondering if collecting rainwater is useful. A butterfly roof directs and delivers rainwater to a collection cistern located beside the home while an internal charcoal filter and ultraviolet light treat the water for potable use. Calculating your roof surface area. There s just a short list of rooftop surfaces that rainwater harvesters should avoid.

Most cisterns and full rainwater collection kits can collect several hundred gallons of water or more at a time. Nearly all roof surfaces are fine for rainwater harvesting. Your gutters should have some sort of gutter protection screenin g in order to keep large debris from entering the gutters. The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel.

1 of rain on 1 000 sf roof will yield 623 gallons roof area m2 x precipitation amount mm amount collected liters. Read down the list for info on roofing materials for rainwater harvesting. The medium sized rain water collection system. Greenhouse roof has the highest collection efficiency most surfaces are a ok.

Even during a drought you should easily be able to collect 70 000 to 80 000 gallons of water with a proper. Rainwater for gardening collection is a technique that has been widely practiced over the centuries. Hence growing a layer of grass. As your roof surface is the catchment area for harvesting rainwater it s important to know how large or small it is so you can calculate how much rainwater you can expect to harvest.