Of gravel under the 4 in.
How far underground does gutter drainage need to be.
Of soil over that.
Some underground gutter drains terminate in the sewer system instead of at the edge of your yard.
For example homes have rain gutter systems to collect and channel rain water off the roof into a downspout instead of simply allowing it to pour over the edge where it will saturate the soil in the 10 foot zone around the home and ultimately end up in the basement.
A lot of homeowners wonder how far their extensions should go.
The brothers that just do gutters provide underground gutter drainage cleaning for existing drains as an additional service to our gutter cleaning services.
If you are wondering how far away from a house should a gutter drain the answer is at least 10 feet.
The water simply drains into the ground at the end of the underground downspouts.
There s no magic number for the depth of your trench.
In that case measure from the downspout to the nearest manhole and use an auger line at least.
On top of the tube and about 6 in.
To be safe aim for a 4 foot minimum extension away from a downspout.
Use longer extensions to make sure you re getting all that water away from your home.
I wanted a good way to get rainwater from the roof as far away from the house as possible.
You can also hire a professional to tap into an underground drainage system if you have one installed on your.
Also figure in whatever slope you need to get to the low spot.
The house sits in the front half of the property which is flat.
A typical drainage ditch is 12 to 18 inches deep and 6 inches wide.
Also the catch basin and emitter will need 4 to 6 of gravel under the base so dig a deep enough hole at both of these places to hold the basin and 4 to 6 of gravel.
Before installing gutters rainwater from the roof fell to the ground and didn t flow anywhere before soaking in to the soil hence large spring rains lead to water in the basement.
Figure that you ll need at least 3 in.
Most homeowners get this and keep their gutters clean and flowing.