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There is black staining the lower 3 feet of the basement wall in most of part of the wall. Could you check whether the basement wall leak and need a full waterproof? Thanks!
Your walls are most certainly seeping moisture. I see some cracks, too. At the very least, use something like Drylok to try and waterproof your walls. Do you have a sump pump? Why is there water getting in? Are your gutters/downspouts working correctly?
There is no sump pump. Not sure whether the soil next to the basement wall is too wet or not. I do not know whether the downspouts are clogged by leaves or not.
That would be a possible sign of clay soils. There's probably high water table- where is house located?
Older, block foundations were usually just "damp-proofed" with a mopped on tar- as opposed to today's "waterproofing". These elastomeric membranes last a lot longer and can "bridge" cracks and movement of blocks. Of course having a working perimeter drain system will also work wonders in keeping water infiltration at bay.
That would be a possible sign of clay soils. There's probably high water table- where is house located?
Older, block foundations were usually just "damp-proofed" with a mopped on tar- as opposed to today's "waterproofing". These elastomeric membranes last a lot longer and can "bridge" cracks and movement of blocks. Of course having a working perimeter drain system will also work wonders in keeping water infiltration at bay.
I had some staining similar to your first pic. Turned out it was the down spouts. Once fixed, problem solved.
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