If your waterproof basement walls are made from concrete block ... Fill in the trench with river rock up to the bottom of the existing slab, and then cover the rock with at least a 6-mil thickness ...

When you contact FSM, or US Waterproofing, or Basements Plus, you will be talking with experienced and trained experts in foundation issues. None of these is a “one-size-fits-all” company ...

Stem-wall slab foundations prevent water intrusion and ... can go on top of the vapor barrier for insulation and further waterproofing. Wire mesh comes next for structural strength, and flex ...