Ideal Building Inspections >Monthly Maintenance > Home Care E-Book > Downspout Extension

Surface Drainage
Diverting Downspout Runoff
Re-grading
Capturing Runoff with Underground (French) Drains
Installing Window Wells
Reshaping a Slope with Swales
 

 

 

Diverting Downspout Runoff

If water is pooling at the ends of splash blocks, you may need to extend a downspout's reach. If you need to go only a few feet, fit a length of downspout to the elbow of the existing spout and move the splash block to the end. For longer distances, dig a shallow trench, line it with gravel and install flexible plastic drainpipe so that it slopes 1/4 inch per foot toward its outlet. Connect the pipe to the spout with a special adapter. Cover it with more gravel, earth, and sod.

 

Poor drainage
good drainage
Good drainage
 

 

   
     
 

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