Damproofing or Waterproofing?
The State of Wisconsin requires damproofing where the water table is not above the foundation line. Waterproofing is used where the water table comes above the foundation line. Thermaseal is warranted as a damproofing but performs as a waterproofing. Many suppliers of waterproofing membranes are only warranted as a damproofing but are called waterproofing. With Thermaseal you can add a coating on the outside to make it a true waterproofing and gain a waterproofing warrantee. This is the system that is used on municipal water tanks that are above ground.
