Roof Design To Collect Rainwater

Calculating your roof surface area.

Roof design to collect rainwater.

Amount of water since los angeles is commonly plagued by drought you may be wondering if collecting rainwater is useful. It looks pretty good from a visual standpoint too. A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern. 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.

So if you want to do your own rainwater harvesting but are also on a budget then consider this option. 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. While metal roofing or plastic sheeting e g.

1 of rain on 1 000 sf roof will yield 623 gallons roof area m2 x precipitation amount mm amount collected liters. You can t go wrong with those classifications. So this option equates to functional and pleasant to look at. Greenhouse roof has the highest collection efficiency most surfaces are a ok.

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. The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel. Rainwater for gardening collection is a technique that has been widely practiced over the centuries. Nearly all roof surfaces are fine for rainwater harvesting.

The good news is most roofing materials are suitable for rainwater harvesting. The medium sized rain water collection system. In most locations today you will find that most people build their houses with roof gardens that will absorb the rainwater. If you don t have a roof garden though you can still collect rainwater and use it.

You do not need a special gutter for harvesting rainwater. Build this water catchment system. Hence growing a layer of grass. You can collect rainwater from any type and shape of gutter.

Cascading creek house by bercy chen studio lp usa the roof structure is configured to provide a natural basin for the collection of rainwater. Your gutters should have some sort of gutter protection screenin g in order to keep large debris from entering the gutters. For single storey homes your roof surface area will often be greater than your floor area unless you have a flat roof. Even during a drought you should easily be able to collect 70 000 to 80 000 gallons of water with a proper.