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ks2 03-07-2009 11:47 AM

creating a french drain
I have a 90 foot long 1958 home built on a slab. The lay of the land is such that as ground water flows from rain water it flows against the back of the home. Consequently when ever there is the slightest mositure in the ground our slab in the garage is completely covered in moisture and I can only assume that the same is occuring in the home.
From my readings, it sounds as if a french drain is in order.
The question is if it is permissable to drain from only one end of the drain. We have a large concrete drive that extends from one end of the home that will not allow me to place the drain to a low lying area.
Any help will be appreciated

Willie T 03-07-2009 12:07 PM

Most French Drains I've installed drained from only one end. Sometimes, across a garage door, we'd split the slope, but only because the driveway was crowned, left and right.

Bob Mariani 03-07-2009 12:15 PM

No issues as long as your still maintain some pitch on the drain pipe. This is an expensive project. Be sure to wrap commercial grade landscaping cloth to keep the drain pipe and the gravel clear. If you need to run to a low area, end the drain in a large dry well.

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