Gutter Drain Pipe Rise Over Run

Dig a hole underneath your gutter downspout and place a catch basin in the hole.

Gutter drain pipe rise over run.

Featuring durable plastic construction this extension can be buried bent or connected to additional sections. Dig a trench from the catch basin to a curb creek alley or other area where the runoff water can easily drain. Check your gutter connections and repair or seal any loose joints. Usually 1 8 per foot is plenty for drainage this is the same as the commonly recommended 1 slope.

Fasten a pipe near the bottom of the catch basin and run it along the bottom of the trench. Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage. For example if you have 30 feet of guttering the calculation is 1 4 x 3 0 75 i e. Pipes must slope slightly downhill to drain properly.

As a general rule gutter slope is set at 1 4 inch per 10 feet of guttering. All of your drain pipe with one exception must slope slightly downhill. This means the downspout end of the gutter should be set 3 4 of an inch lower than the other end. Put in the pop up drain at the discharge point of the pipe and position it at the same level as the ground s surface.

Note that i said the drain pipe must be sloped rather than the french drain. This flexible downspout extension easily bends and holds its shape and can be extended from 25 55 in. Twice in the fall and before spring. A pipe that slopes too much drains water but not solids.

The standard slope is anywhere from inch to 3 inches per foot. Here are 10 things to take into account when trying to improve your water drainage and runoff. A pipe that doesn t slope enough won t drain.