Build this water catchment system.
Roof design to collect rainwater.
It looks pretty good from a visual standpoint too.
Your gutters should have some sort of gutter protection screenin g in order to keep large debris from entering the gutters.
Calculating your roof surface area.
The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel.
The good news is most roofing materials are suitable for rainwater harvesting.
The medium sized rain water collection system.
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.
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.
In most locations today you will find that most people build their houses with roof gardens that will absorb the rainwater.
So this option equates to functional and pleasant to look at.
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.
A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern.
Hence growing a layer of grass.
Amount of water since los angeles is commonly plagued by drought you may be wondering if collecting rainwater is useful.
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.
For single storey homes your roof surface area will often be greater than your floor area unless you have a flat roof.
1 of rain on 1 000 sf roof will yield 623 gallons roof area m2 x precipitation amount mm amount collected liters.
Rainwater collection calculation formulas and equations roof area ft2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember.
Cascading creek house by bercy chen studio lp usa the roof structure is configured to provide a natural basin for the collection of rainwater.
There s just a short list of rooftop surfaces that rainwater harvesters should avoid.
So if you want to do your own rainwater harvesting but are also on a budget then consider this option.
You do not need a special gutter for harvesting rainwater.
You can t go wrong with those classifications.
Nearly all roof surfaces are fine for rainwater harvesting.
If you don t have a roof garden though you can still collect rainwater and use it.
You can collect rainwater from any type and shape of gutter.
Read down the list for info on roofing materials for rainwater harvesting.