Guttering systems are effective in moving rainwater away from your house only if you divert the water that comes out of the downspouts.
Rain water collected under house from the roof water celler.
To collect rainwater you can attach a rain barrel to your home s downspout so when it rains the water flows directly into the barrel.
Otherwise the downspouts deposit the collected rainwater at your home s foundation.
The average residential rain barrel holds 50 gallons of water.
This calculation assumes a 90 efficiency.
For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain.
How to stop water from leaking into basement.
A diverter can be added to the downspout to direct the water flow into the rain barrel or away from the building in the normal discharge.
Downspouts channel the collected water from the roof to the ground at the corners of the house and other locations.
Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use.
Apart from rain sources of water leaks include roof spillage surface runoff improper exterior foundation drains and clogged gutters and downspouts.
If you want to collect rainwater without a roof or downspout you can use a tarp instead.
Traditionally this involves harvesting the rain from a roof.
The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.
The gutters on building collect and move rainwater from the roofs through a downspout to the rain barrel.
To find how much rain you can collect in an average rain year multiply this number by the average inches of rain.