Start with conditions, not a product
Water shows up the same way in a Rock Hill basement no matter the cause -- but roof drainage, sloped grading, red-clay hydrostatic pressure, a cracked wall joint, and summer humidity each call for a different response.
Build a complete scope
- Whether this is a true basement, a crawl space, or a walk-out on a slope
- Which wall takes the load, since a hillside loads one side and not the rest
- What is fixed outside first: grading, gutters, and where they discharge
- The interior work proposed, and how the sump discharge leaves the property
- Restoration of finishes, plus the conditions that void the warranty
Rock Hill context
The first useful thing to establish in Rock Hill is whether there is a basement at all, because most of this housing is built over crawl spaces or on slab, and full basements appear mainly where a rolling lot made a walk-out or daylight arrangement practical. That matters because the below-grade advice written for basement country does not transfer to a shallow crawl space. Where below-grade space does exist on a slope, it is loaded from one side: Piedmont clay holds water rather than draining it, so after the intense summer rain here the uphill wall carries hydrostatic pressure and water enters at the wall-to-floor joint rather than through an obvious crack. In the textile-era housing the walls are frequently unreinforced block or stone that seep through the masonry itself. What happens outside the wall almost always decides what happens inside it.