Basement leaking on one wall.

David0321March 16, 2014

I'm getting ready to redo my half basement. We have a Tri Level house with a half basement. Only half of it is under ground. The house is 33 years old and I built it. When we built it we installed drainage tile at the basement floor level on three sides of it. We painted the outside of the walls with tar on all four sides.

Guess where it is leaking. The side that is next to the crawl space on the ground level. We did not put drainage on the crawl space side as best as I can remember. Not sure where the water is coming in from the walls or floor. Should know more when I pull the paneling down. I have seen no leaking from the out side walls that we put the drainage tile in.

In 30 some years it has only leaked about 10 times. It only does it when we have days and days of rain.

So I'm trying to find a way I can fix this before I proceed with the remodel. Can anyone give me any ideas on where to start with this?

Thanks

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Once the panelling is removed you may see small settlement cracks that are letting in water.

At the least, weepers need to be added to the side missing them. You don't mention to where the weepers lead. It should be to daylight, a municipal system or to a sump so it can pooled and pumped out far from the basement.

Before backfilling, pack the coves, use a modern waterproofing system such as a dimpled membrane or peel and stick.

Fortunately, you have only a half-basement, so excavation costs should not be excessive.

    Bookmark   March 16, 2014 at 7:08PM
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David0321

The wall that is leaking is next to a crawl space. I would have to dig out the dirt next to the wall from underneath the crawl space. I have no sump pump don't really need one. The only spot that is leaking is against one wall. If I ran a tile inside the crawl space there is no where to drain it as it inside the foundation footing. Big problem.

    Bookmark   March 16, 2014 at 9:37PM
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The wall that is leaking is next to a crawl space. I would have to dig out the dirt next to the wall from underneath the crawl space.

I was suggesting that you excavate around the exterior of the crawlspace and run the weepers there to a drain, as in the drawing below, which deal swith curing damp crawls.

    Bookmark   March 16, 2014 at 11:58PM
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David0321

Thanks worthy. Had not thought of going around the the exterior of the crawl space.

    Bookmark   March 17, 2014 at 10:14PM
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