Interior Waterproofing

Waterproofing a basement from the inside is usually done when the exterior of the building is not accessible.


  1. A channel of approximately 1ft wide is cut out of the concrete floor along the perimeter of the basement wall. The concrete is removed and the footing is exposed.
  2. Weeping tile is placed inside the channel and connected to either a floor drain or sump pump.
  3. Delta®-MS, a dimpled membrane, is applied to the entire wall from the bottom of the new trench up to the ceiling.
  4. Gravel is placed over top of the weeping tile to allow for the most efficient drainage.
  5. The remaining space in the channel is filled in with concrete and the job is complete.