Help with moisture management in old slabs and untreated base plates – GreenBuildingAdvisor

Can anyone point me to a resource who has direct knowledge (not theory) about creative moisture management in old slabs with no sill gaskets under base plates?

1960’s home with slab 4′ below grade on dirt, running 70-98% RH year round. No bulk water or perimeter drain issues. Issue with standard dimple mat and fluid applied membrane approaches by various building scientists (which we’d like to use), is they always expect sill gaskets (or some capillary break), but those just don’t exist in this case (multiple structural walls with point loads).

Happy to pay good hourly rates for a consult, but it is difficult to cough up $5k (minimum for many building scientists) for a two hour discussion, and hoping to find someone who has creatively worked this puzzle multiple times.

Can also generate and post a temporary e-mail address, if needed for communication.

Thanks so much.