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Adding soil to foundation of house to improve grading/slope

Posted by mickimax (My Page) on
Thu, May 4, 06 at 16:42

My brick & limestone house was built in 1868. I don't have any problems with the basement or foundation, but I do have a lot of top soil left over from this spring's truckload that was delivered to me for my gardens. Can I add it to the foundation to increase/improve the grading for the foundation? One side of the house has a very slanted slope, so doesn't need any fill. The other side looks almost flat, like there isn't much of a slope from the foundation to the sidewalk. Would I be hurting anything if I added soil to the foundation on this side to have a more slanted pitch to the yard here?


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RE: Adding soil to foundation of house to improve grading/slope

Without seeing the situation, I would hesitate to recommend adding soil near a foundation wall. To increase slope I would try removing soil farther away from the foundation, and then grading from the point close the foundation to the (now) lower point, if that is possible.

Adding soil near the foundation will raise it closer to your floors and sill beams. Not a good idea. As long as it slopes away, even modestly, I wouldn't want to disturb the existing drainage patterns.

You can stock pile your top soil, by putting it in an out of the way spot and seeding it with a cover crop. Or even just rake a thin (1/2 inch) layer of it over your existing grass. It is endlessly useful stuff.

Molly~


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