Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use.
Cistern no gutters.
A system of gutters and downspouts directs the rainwater collected by the roof to the storage cistern.
This is a cistern i made from some pressure treated 2x6 material and a 55 gallon plastic juice drum.
This technique is usually only used when there s no fascia board.
Half round gutters rest in brackets screwed to the fascia.
Remember that the x section of a 4 pipe is twice that of a 3 pipe.
Another method calls for gutters to be held in place by straps fastened to the roof.
Sweep all debris from the roof and gutters leading to the chosen downspout by using a broom.
K style gutters can be spiked or screwed to the fascia.
Put them where they need to be.
Screwed connections are stronger.
The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.
Install standard size mesh gutter covers over the entire gutter that will lead into the cistern.
Traditionally this involves harvesting the rain from a roof.
I chose to use 2x6 material because i had it handy but if you choose to u.
The cistern typically located underground may be constructed of various materials including cinderblock reinforced concrete or precast concrete fiberglass or steel.
If you join too many downspouts before they enter the cistern you could have a constriction that would be problematic.