The easiest way to dig the.
Gutter drain pipe slope.
This means the downspout end of the gutter should be set 3 4 of an inch lower than the other end.
Before digging call 811 to have utility lines marked.
Purchase pipe once you have determined the route of the line you can figure out the pipe lengths you ll need to.
Measure the drain line distance.
All of your drain pipe with one exception must slope slightly downhill.
Do not connect the gutter drain pipe to the perforated foundation drain pipe.
Continue until you have completed the trench.
Assemble and place the catch basin.
Calculating the slope of your drain pipe is easy.
Featuring durable vinyl construction this extension can be buried bent or connected to additional sections.
Figure out the slope.
Depending on the trench length and more important the type of soil digging the trench with a shovel can range from relatively easy to downright impossible.
The flexible design easily bends and holds its shape and can be extended from 25 in.
Underground gutter drainage step 1.
Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage.
The trench should be at least 6 inches wide and slope down slightly 1 to 2 inches per length of pipe so water drains away from the downspouts.
A slope of less than 1 4 inch per foot will cause constant drain clogs and a slope of more than three inches will allow the water to drain without the solids.
Dig trenches for drainage pipe.
Note that i said the drain pipe must be sloped rather than the french drain.
As a general rule gutter slope is set at 1 4 inch per 10 feet of guttering.
Usually 1 8 per foot is plenty for drainage this is the same as the commonly recommended 1 slope.
The standard slope for rain gutters is half of an inch for every 10 feet.
This practice will soak the foundation see figure 4.
Now that the trench is dug you can assemble the catch basin.
For example if you have 30 feet of guttering the calculation is 1 4 x 3 0 75 i e.
According to plumbing code drain pipe has to be sloped a minimum of 1 4 inch per foot and a maximum of three inches per foot or vertical.
Bury the drain pipe at a slope consistent with the final grade around the home i e sloped 0 5 inch per foot away from home for 10 feet.
Measure and plan 1.