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Don't know if any of you can speak to this one, but is there such a thing as a primer/sealant that works despite surface dirt? Because short of taking out the entire staircase and about a week of scrubbing, there is no way the basement wall that needs to be sealed is going to be a clean surface.
What we have now is a gallon of drylock, and many layers of older peeling drylock on the floor where the seepage ended up sitting, and then some expanse of bare & Very Dirty wall (which I just swept off and scrubbed down, but there's only so much I can do, particularly with the staircase in the way) that needs to be sealed.
---ETA, with pictures: ( dirty basement, just what you wanted to look at... advice is welcome, but mainly I'm doing this as a mental triage for myself )
What we have now is a gallon of drylock, and many layers of older peeling drylock on the floor where the seepage ended up sitting, and then some expanse of bare & Very Dirty wall (which I just swept off and scrubbed down, but there's only so much I can do, particularly with the staircase in the way) that needs to be sealed.
---ETA, with pictures: ( dirty basement, just what you wanted to look at... advice is welcome, but mainly I'm doing this as a mental triage for myself )